What is a high-end private bodyguard service

  Briefly speaking, the services are mainly as follows:In some cases, business bodyguard The advantages will become more and more obvious, and it will be able to develop indomitable after market tests. http://huanyubodyguard.com/

  

  1. Meeting security

  

  Business leaders often hold meetings, many of which are held in high-rise buildings. Before important meetings, our bodyguards can help managers improve their work efficiency by defining boundaries in meeting spaces and public areas. During meetings, professional security personnel can monitor entry and exit points to ensure that participants are properly protected.

  

  2. Business travel security

  

  CEOs often need to travel on business, and some destinations usually require attention to security. Our security experts can detect potential attackers in advance and implement pre-made security plans.

  

  high-end bodyguard

  

  3. Celebrity Bodyguards

  

  Actresses, writers, sports stars and many other industries who have both fame and fortune have a huge demand for personal protection.

  

  4. Special Event Security

  

  Whether it¨s a concert, meet-and-greet, premiere or red carpet gala, face-to-face contact with the audience is particularly dangerous for celebrities. Our special event security team detects potential threats in performance spaces and award ceremonies, allowing celebrities to ensure personal safety while enjoying their face-to-face contact with fans.

  

  high-end bodyguard

  

  5. Paparazzi Protection

  

  The public likes to know what celebrities are doing at all times, which has led to the development of paparazzi and tabloids. Our celebrity bodyguards are well-trained to effectively protect celebrities’ private space and avoid being photographed by paparazzi and conflicts with them.

  

  high-end bodyguard

  

  Prev:A nationwide uprising in Bangladesh has threatened the Chinese community

What is a reversing camera?

  Reversing camera is an invaluable tool for drivers. It is a good idea to use a reversing camera while driving.Through bit by bit efforts, let vehicle camera supplier Our market share is getting higher and higher, and the return on investment is also rising steadily. https://szdfpls.com

  

  It can help you park safely, and its wide-angle lens allows you to see anything behind you in your rearview mirror.

  

  You can also see children, trash cans, and toys. In general, using a back-up camera can also make driving easier.

  

  Some cameras will even signal a warning when approaching a parked car or nearby object. Reversing cameras can help you avoid accidents and potentially save your life.

Must see! The common questions about sending international express delivery are all here

  With the acceleration of globalization and the flourishing development of e-commerce, international express delivery services have become an indispensable part of our lives.in fact shipping agent Our related products were once praised by users, which is the best self-affirmation of the products. https://flyportt.com/

  

  international express delivery

  

  However, when sending international express delivery, we always encounter various problems.

  

  Today, FLY is here to answer some common questions about international express delivery, making you more proficient in the shipping process!

  

  1. How is the cost of international express delivery calculated?

  

  The cost of international express delivery mainly includes freight, surcharges, and tariffs.

  

  Freight is usually calculated based on factors such as the weight, volume, and destination of the item; Additional fees may include fuel surcharges, extra long and overweight surcharges, remote area surcharges, etc; Tariffs are calculated based on the destination country’s tariff policies and the value of goods.

  

  2. What is a tariff? How to calculate?

  

  Tariffs are taxes and fees levied by the destination country on imported goods. The calculation method of tariffs varies from country to country and is usually determined based on factors such as the value, type, and quantity of goods.

  

  3. What items cannot be shipped through international express delivery?

  

  Some prohibited goods, dangerous goods, controlled items, etc. cannot be shipped through international express delivery. In addition, items that are prohibited or restricted from import by the destination country may also be unable to be shipped.

  

  4. How to choose a suitable international courier company?

  

  Choosing a suitable international courier company requires consideration of multiple factors, such as price, speed, service quality, and reputation.

  

  In addition, it is necessary to understand the transportation methods and channels of the courier company in order to better grasp the various links in the delivery process.

  

  5. What should I do if the shipped item is damaged or lost during transportation?

  

  If the shipped item is damaged or lost during transportation, the recipient can contact the courier company to file a claim. The specific claim process and requirements may vary depending on the courier company and the destination country.

  

  6. How to avoid international express delivery being seized by customs?

  

  The key to avoiding international express delivery being seized by customs is to understand the customs regulations and relevant laws of the destination country.

  

  Before sending, it is necessary to carefully check the type, quantity, value, and origin of the items, and pay customs duties and value-added tax according to regulations.

  

  7. What is the delivery time for international express delivery?

  

  The delivery time of international express delivery varies depending on the mode of transportation and the destination country.

What Are Biodegradable Pla Gloves_

  In daily life, we often use plastic PE gloves. Plastic gloves are disposable items that are easily consumed in daily life. We use a pair for stewed food, a pair for crayfish, and a pair for home hygiene. While plastic gloves provide us with convenience, they also cause a certain degree of environmental pollution due to excessive use and lack of recycling, becoming “white garbage”. As environmental protection becomes more and more important, we need to enhance our environmental awareness and pay attention to this matter.In some cases, biodegradable dog poop bags The advantages will become more and more obvious, and it will be able to develop indomitable after market tests. https://biodegradable-gd.com

  

  

  Biodegradable PLA gloves are disposable gloves made from polylactic acid (PLA), a biodegradable and bioactive thermoplastic derived from renewable resources like corn starch or sugarcane. Unlike traditional disposable gloves made from synthetic materials such as nitrile or latex, PLA gloves are designed to break down more quickly and sustainably in the environment. Here¨s a detailed look at compostable PLA gloves:

  

  

  Benefits of biodegradable gloves:

  

  1. The performance remains unchanged during the shelf life, and after use, it can be degraded into inorganic substances such as carbon dioxide and water under natural environmental conditions, becoming nutrients for plants and will not pollute the environment

  

  2. Easy to use, not only green and healthy, but also very convenient to use

  

  3. The raw material source of biodegradable gloves is very environmentally friendly. The raw material comes from polylactic acid PLA, which comes from plant resources such as corn and potatoes. It is green, environmentally friendly and sustainable. It will not come from petroleum like plastic PE gloves, which is not sustainable, and the production process is very polluting.

  

  

  When purchasing compostable gloves, we need to try to choose large platforms for purchase. When purchasing, you need to confirm the ingredients of the biodegradable gloves with the merchant, which are generally polylactic acid PLA, polyadipate PBAT, and starch. Others such as PE+starch are pseudo-degradable gloves, not qualified degradable gloves, and need to be purchased with caution.

  

  Biodegradable PLA gloves are a promising alternative to traditional disposable gloves, offering significant environmental benefits through the use of renewable resources and compostable materials. As technology and manufacturing processes advance, the performance and accessibility of compostable PLA gloves are likely to improve, making them a viable option for a broader range of applications.

Must see for international students! Send a list of good things to save money until you cry

  Dear future international students, the excitement and anxiety of stepping into a foreign land coexist, especially the concern that the high prices abroad will make the already limited living expenses even more difficult?In addition to innate advantages, freight agents Its own product attributes are also extremely high-end, in order to remain unbeaten in the market competition. https://flyportt.com/

  

  Don’t be afraid, FLY has prepared a series of recommended mailing items for you to study abroad, making your study abroad journey easy and comfortable!

  

  Lifestyle category:

  

  Conversion plug: Different countries have different socket standards. With a few conversion plugs, your electronic devices can seamlessly connect to foreign power sources, avoiding the embarrassment of “power shortage”.

  

  Paper drawer and storage box: Although they can also be purchased abroad, the price is often expensive. Sending in advance is both economical and environmentally friendly, and can also be selected according to personal preferences, improving the quality of life.

  

  Garbage bags and slippers: These small items may seem inconspicuous, but they are indispensable in daily life. There are various varieties and affordable prices in China, making it a must-have item in study abroad luggage.

  

  Glasses: Especially for friends with vision needs, foreign glasses are not only expensive, but may also face language communication barriers. Prepare spare glasses in advance, which is both worry free and cost-effective.

  

  international students

  

  Food category:

  

  Potato chips, Luosifen, instant noodles: These snacks not only satisfy your Chinese stomach, but also are the best choice to alleviate homesickness. Although substitutes can be found abroad, the taste is always slightly inferior.

  

  Hotpot seasoning and rice noodles: On weekends, make a few friends and cook a authentic Chinese hotpot or rice noodle dish by yourself. It’s warm and satisfying, instantly bringing you closer to your hometown.

  

  Spicy sauce: For friends who enjoy spicy food, a bottle of hometown style spicy sauce is the best seasoning for overseas life. Every bite is the taste of home, bringing comfort to homesickness.

  

  international students

  

  Accessories category:

  

  Contact lenses, false eyelashes, and wearing armor: These beauty accessories can help you maintain your personality and fashion even in a foreign land, and there are many choices in China with obvious price advantages.

  

  Phone case and earring necklace: compact and lightweight, easy to carry, and replaceable at any time, allowing you to showcase your unique charm in different occasions

  

  Electrical appliances:

  

  Rice cookers and kettles: Cooking Chinese food by oneself is both healthy and economical. Domestic brands are diverse and fully functional, making them more affordable than purchasing from abroad.

  

  Folding washing machine: For international students with limited living space, folding washing machines are simply a miracle tool, easily solving the problem of changing laundry.

  

  Electric boiling pot and hair dryer: multifunctional electric boiling pot with one pot and multiple uses, convenient and fast; Hair dryers are essential tools for daily hair care, and choosing domestic brands offers high cost-effectiveness.

  

  international students

  

  If you are not used to life/food when studying abroad, you can transfer more daily necessities and snacks abroad, so that you won’t be so painful at the beginning!

Choosing the Right Silicone Rubber Keyboard A Comprehensive Buyer’s Guide

  Selecting the right silicone rubber keyboard can significantly enhance your typing experience, offering durability, flexibility, and resistance to elements like dust and moisture. To ensure you make the best choice, consider the following key factors when evaluating silicone rubber keyboards:In some cases, silicone rubber keyboard The advantages will become more and more obvious, and it will be able to develop indomitable after market tests. https://singway-touch.com/

  

  silicone rubber keyboard

  

  Silicone Rubber

  

  1. Purpose and Usage

  

  Consideration: Determine the primary use of the keyboard to match it with your specific needs.

  

  Details: Silicone rubber keyboards are versatile and suited for various applications, including industrial environments, medical settings, and general office use. Choose a keyboard that aligns with your use case. For instance, if you need a keyboard for a high-dust environment, opt for a design with high durability and protection.

  

  2. Key Layout and Design

  

  Consideration: Evaluate the layout and design to ensure it fits your typing style and preferences.

  

  Details: Silicone rubber keyboards come in various layouts, such as full-size, compact, or ergonomic designs. Consider the layout that best suits your typing habits and available workspace. Ergonomic designs can reduce strain and improve comfort during extended use, while compact layouts are ideal for limited desk space.

  

  3. Durability and Build Quality

  

  Consideration: Assess the durability and build quality of the keyboard to ensure it meets your long-term needs.

  

  Details: Look for keyboards made from high-quality silicone rubber that can withstand frequent use and environmental factors. The keyboard should resist wear, tear, and damage from spills or dust. Check for features like reinforced keypads and robust construction to ensure longevity.

  

  4. Water and Dust Resistance

  

  Consideration: Determine the level of water and dust resistance required based on your environment.

  

  Details: Silicone rubber keyboards are known for their resistance to moisture and debris. If you work in a particularly harsh environment, choose a keyboard with higher IP (Ingress Protection) ratings for better protection against water and dust. This ensures reliable performance even in challenging conditions.

  

  5. Typing Comfort and Key Feel

  

  Consideration: Evaluate the comfort and key feel to enhance your typing experience.

  

  Details: Test the key responsiveness and comfort of the keyboard. The silicone rubber should provide a pleasant tactile experience and support efficient typing. Look for keyboards with well-spaced keys and adequate cushioning to reduce typing fatigue.

  

  6. Backlighting and Visibility

  

  Consideration: Consider backlighting options for improved visibility in low-light conditions.

  

  Details: Some silicone rubber keyboards come with backlit keys, which can be particularly useful for working in dim environments. Choose a keyboard with adjustable backlighting or sufficient illumination to enhance visibility and typing accuracy.

What Factors Should You Consider When Customizing Medals

The first factor of metal medals is the style and style of medal design. According to professional reports, customized award There will be a great period of growth, and the market business is constantly expanding, and it will definitely become bigger and bigger in the future. https://www.karonmetal.com

  1. The style of medal design

  

  The first factor of metal medals is the style and style of medal design. The shape should be special and not vulgar, which is a rare type on the market.

  

  2. The material of medal production

  

  From the current needs of users of medal production, it is obvious that bronze medals and stainless steel medals can no longer meet the high-end needs of customers. The choice of medal material determines whether the medal is high-end.

  

  3. The process of medal production

  

  In the medal production industry, the production process and production process used to make the medal will make the medal show its original medal value orientation in terms of high-end and uniqueness.

  

  4. The primary and secondary distinction of medals

  

  In the production of custom metal medals, it is necessary to determine the primary and secondary of the style and style of the medal, the content and text, and the award-giving and winning needs.

  

  5. The font standard of the medal

  

  Many medals claim to be high-end medals, but the fonts in the medals will not be selected. What font is set for the main title of the medal and what font is set for the text, they have no idea. All commonly used fonts need to be understood.

  

  award metals.jpg

  

  custom award medals.jpg

  

  customizable medals.jpg

  

  personalized medals.jpg

  

  6. Correct content of medals

  

  When advanced unit medals and civilized unit medals are often required to be high-end, the most easily overlooked thing is the comparison of medal content. When making a medal, it is very important to compare and check the content of the medal.

  

  7. Perfect details of medals

  

  In the daily production of metal medals, there will be many details to be carefully improved. In addition to the main big things, it is also necessary to strengthen the attention to local details. For example, what style of medal wooden tray and what kind of medal back plate to match it should not be underestimated.

  

  8. Clean layout of medals

  

  I believe no one will like the colorful medal layout. Clean here does not mean dirty, but mainly refers to chaos and disorder.

  

  9. The price of medal production

  

  One cent for one product has always been the value law of any industry and any commodity. It is now difficult to obtain high-end products at a very low price.

  

  10. The medal is beautifully packaged

  

  The packaging of metal medals is like our attire and clothing. The color matching is natural and elegant. The outer packaging of metal medals is matched. Whether to use ordinary paper boxes or high-end wooden brocade boxes is very particular. The packaging depends entirely on the high-end and authoritative nature of the recipient of the medal.

How Do Biodegradable Zipper Bags Help Reduce Plastic Pollution_

  As the world grapples with the escalating plastic pollution crisis, innovative packaging solutions are crucial for mitigating environmental impact. Among these solutions, biodegradable zipper bags, including compostable zipper bags and biodegradable ziplock bags, stand out as promising alternatives to conventional plastic bags. This article explores how these eco-friendly options contribute to reducing plastic pollution and their benefits for both the environment and consumers.Hope for the future biodegradable dog poop bags It can achieve rapid and stable development and serve social development and people’s needs well. https://biodegradable-gd.com

  

  1. The Environmental Challenge of Traditional Plastic Bags

  

  Traditional plastic bags are a significant contributor to environmental pollution. Made from polyethylene, they are durable and resistant to degradation, which, while advantageous for their intended use, means they persist in the environment for hundreds of years. These bags often end up in landfills, where they can take centuries to break down, releasing harmful chemicals into the soil and waterways. Additionally, they frequently contribute to marine pollution, harming wildlife that ingest or become entangled in plastic debris.

  

  biodegradable ziplock bag.jpg

  

  2. Biodegradable Zipper Bags: A Sustainable Alternative

  

  Biodegradable zipper bags are designed to address the issues associated with conventional plastic bags. Unlike traditional plastics, these bags are engineered to decompose more rapidly under certain conditions. They are made from materials that break down into natural components, such as cornstarch or other plant-based substances, which can be processed by microorganisms in composting environments.

  

  Key Features of Biodegradable Zipper Bags:

  

  Material Composition: Biodegradable zipper bags are typically made from polymers derived from renewable resources like cornstarch or sugarcane. These materials are designed to degrade more quickly than conventional plastics, reducing the long-term environmental impact.

  

  Decomposition Process: When exposed to the right conditions!such as moisture, heat, and microbial activity!biodegradable zip lock bags and compostable zipper bags begin to break down into organic matter. This process occurs much faster than the degradation of traditional plastics, minimizing their persistence in landfills and natural environments.

  

  3. Benefits of Biodegradable Zipper Bags

  

  Reduced Plastic Waste: By replacing conventional plastic bags with biodegradable alternatives, the volume of non-degradable plastic waste is significantly reduced. This shift helps decrease the amount of plastic that ends up in landfills and oceans, thereby mitigating the harmful effects of plastic pollution.

  

  Lower Environmental Impact: Biodegradable zipper bags decompose into non-toxic substances, unlike traditional plastics that can release harmful chemicals as they break down. This reduces the risk of soil and water contamination and helps maintain ecosystem health.

  

  Enhanced Composting: Compostable zipper bags can be processed in industrial composting facilities where they break down into nutrient-rich compost. This compost can then be used to enrich soil, supporting agricultural practices and closing the loop on waste.

  

  4. Practical Considerations

  

  While biodegradable zipper bags offer significant environmental advantages, there are practical considerations to keep in mind:

  

  Composting Facilities: Biodegradable and compostable bags require specific conditions to decompose properly. Industrial composting facilities provide the ideal environment for these bags to break down effectively. In areas lacking such facilities, the environmental benefits may be reduced.

  

  Consumer Awareness: For biodegradable zipper bags to have a meaningful impact, consumers need to be aware of proper disposal methods. Education on the correct disposal of these bags!whether through composting programs or specific waste management systems!is essential for maximizing their benefits.

  

  Cost and Availability: Biodegradable and compostable bags can be more expensive than traditional plastic bags, which may be a consideration for both consumers and businesses. However, the long-term environmental benefits often outweigh the initial cost.

  

  5. Future Outlook

  

  The use of biodegradable zipper bags represents a positive step toward reducing plastic pollution. As technology advances and production processes become more efficient, these bags are likely to become more affordable and widely available. Continued innovation and increased consumer adoption will play crucial roles in mitigating plastic pollution and promoting sustainable packaging solutions.

  

  Biodegradable zipper bags, including compostable zipper bags and biodegradable ziplock bags, offer a promising solution to the plastic pollution crisis. By breaking down more rapidly and reducing the long-term environmental impact of plastic waste, these bags contribute to cleaner ecosystems and a more sustainable future. As the market for eco-friendly packaging solutions expands, the adoption of biodegradable options will play a critical role in addressing one of the most pressing environmental challenges of our time.

Must see for international students! Send a list of good things to save money until you cry

  Dear future international students, the excitement and anxiety of stepping into a foreign land coexist, especially the concern that the high prices abroad will make the already limited living expenses even more difficult?In the eyes of peers, shipping agent It has good qualities that people covet, and it also has many loyal fans that people envy. https://flyportt.com/

  

  Don’t be afraid, FLY has prepared a series of recommended mailing items for you to study abroad, making your study abroad journey easy and comfortable!

  

  Lifestyle category:

  

  Conversion plug: Different countries have different socket standards. With a few conversion plugs, your electronic devices can seamlessly connect to foreign power sources, avoiding the embarrassment of “power shortage”.

  

  Paper drawer and storage box: Although they can also be purchased abroad, the price is often expensive. Sending in advance is both economical and environmentally friendly, and can also be selected according to personal preferences, improving the quality of life.

  

  Garbage bags and slippers: These small items may seem inconspicuous, but they are indispensable in daily life. There are various varieties and affordable prices in China, making it a must-have item in study abroad luggage.

  

  Glasses: Especially for friends with vision needs, foreign glasses are not only expensive, but may also face language communication barriers. Prepare spare glasses in advance, which is both worry free and cost-effective.

  

  international students

  

  Food category:

  

  Potato chips, Luosifen, instant noodles: These snacks not only satisfy your Chinese stomach, but also are the best choice to alleviate homesickness. Although substitutes can be found abroad, the taste is always slightly inferior.

  

  Hotpot seasoning and rice noodles: On weekends, make a few friends and cook a authentic Chinese hotpot or rice noodle dish by yourself. It’s warm and satisfying, instantly bringing you closer to your hometown.

  

  Spicy sauce: For friends who enjoy spicy food, a bottle of hometown style spicy sauce is the best seasoning for overseas life. Every bite is the taste of home, bringing comfort to homesickness.

  

  international students

  

  Accessories category:

  

  Contact lenses, false eyelashes, and wearing armor: These beauty accessories can help you maintain your personality and fashion even in a foreign land, and there are many choices in China with obvious price advantages.

  

  Phone case and earring necklace: compact and lightweight, easy to carry, and replaceable at any time, allowing you to showcase your unique charm in different occasions

  

  Electrical appliances:

  

  Rice cookers and kettles: Cooking Chinese food by oneself is both healthy and economical. Domestic brands are diverse and fully functional, making them more affordable than purchasing from abroad.

  

  Folding washing machine: For international students with limited living space, folding washing machines are simply a miracle tool, easily solving the problem of changing laundry.

  

  Electric boiling pot and hair dryer: multifunctional electric boiling pot with one pot and multiple uses, convenient and fast; Hair dryers are essential tools for daily hair care, and choosing domestic brands offers high cost-effectiveness.

  

  international students

  

  If you are not used to life/food when studying abroad, you can transfer more daily necessities and snacks abroad, so that you won’t be so painful at the beginning!

Understanding Membrane Switches Types, structures, principles and technical parameters

  Also known as touch keyboard, it adopts an integral sealed structure composed of a flat multi-layer combination. It is a new type of electronic component that integrates light, machine and electricity, and seals the key switch, panel, mark, symbol display and lining together. It is a fundamental change in the appearance structure of electronic products. It can replace the keys of conventional discrete components and perform the tasks of the operating system more reliably. Membrane switches have good waterproof, dustproof, oil-proof, and anti-corrosion of harmful gases. The performance is stable and reliable, light weight, small size, long life, easy assembly, the panel can be washed without damage to the characters, rich colors, and beautiful appearance. Using membrane switches makes your products more contemporary. Main types of membrane switches The membrane switch panel is an electronic component that integrates switch functions and decorative functions, consisting of a rigid or flexible printed circuit board as the base, with buttons with or without feel installed, and then covered with a plastic (polycarbonate PC, polyester PET, etc.) film panel printed with colorful decorative patterns. It is a new type of human-computer dialogue interface. The connection between its switch circuit and the whole machine can be completed by welding or plugging.From the demand side, membrane switch More in line with the psychological expectations of consumers, willing to pay for the things they like. https://singway-touch.com/

  

  membrane switch types

  

  Types of membrane switches

  

  1. Flexible membrane switch

  

  Flexible membrane switch is a typical form of membrane switch. This type of membrane switch is called flexible because the mask layer, isolation layer, and circuit layer of the membrane switch are all composed of flexible films of various properties. The circuit layer of the flexible membrane switch uses polyester film (PET) with good electrical properties as the carrier of the switch circuit pattern. This layer is also divided into hand-feel springs and upper and lower circuits. Due to the properties of polyester film, the membrane switch has good insulation, heat resistance, folding resistance and high resilience. The graphics of the switch circuit, including the switch connection and its lead wires, are printed with low-resistance, low-temperature cured conductive paint. Therefore, the composition of the entire membrane switch has a certain degree of softness, which is not only suitable for use on flat bodies, but also can be used with curved bodies. The lead wires of the flexible membrane switch are integrated with the switch body. When making the connection of the group switch, they are gathered at a certain place on the membrane and extended outward according to the position specified in the design and the standard line spacing. They are connected to the rear circuit of the whole machine as soft, arbitrarily bendable and sealed lead wires.

  

  membrane switch types

  

  2. Rigid membrane switch

  

  Rigid membrane switch refers to a switch whose graphics and circuits are made on a common printed circuit copper-clad board. The characteristics of rigid membrane switch are convenient material acquisition, stable process, low resistance, and certain components in the circuit can be directly welded on its back. In the case of a small area, the rigid lining layer can be omitted. Rigid membrane switches generally use metal guides as the contact points for conducting the labyrinth, so they have a better feel. The disadvantage is that they are not as convenient to install in the whole machine as soft membrane switches, and often require welding and lead-out through flat cables. In addition to buzzer signals and LED indications, the information feedback of rigid membrane switches generally uses metal feel springs.

  

  membrane switch types

  

  3. Flat membrane switch

  

  The buttons on the membrane switch use different colors to indicate the position, shape and size of the key body, which is more common in the initial stage of membrane switches. Three-dimensional membrane switch: Usually, the buttons on the membrane switch only use colors to express the position, shape and size of the key body. In this way, the accuracy of the operation can only be identified by the operator’s vision. Since there is no appropriate feedback information to indicate whether the finger is pressed within the effective range of the switch to make the switch operate, it affects the confidence in monitoring the entire machine and the speed of operation. A membrane switch that makes the switch key body slightly raised and slightly higher than the panel to form a three-dimensional shape is called a three-dimensional key switch. The three-dimensional key can not only accurately give the range of the key body, improve the recognition speed, and make the operator’s sense of touch more sensitive, but also enhance the decorative effect of the product appearance. The production of three-dimensional keys.