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In fields such as smart homes, industrial equipment, and automotive electronics, the Rocker Switch has become a key component for circuit control, thanks to its characteristics of "easy operation, stable on-off performance, and flexible installation". Yueqing Tongda Wired Electric Factory, which has been deeply engaged in the switch industry for more than 30 years, focuses on the R\&D and precision manufacturing of Rocker Switches. It solves the scenario adaptation pain points of traditional rocker switches through technological innovation, provides safe and reliable control solutions for various industries, and has become an important force in promoting the localization upgrading of rocker switches.

Since its establishment in 1990, Yueqing Tongda has always taken "demand-driven product iteration" as its core concept. In the early days, it mainly focused on basic rocker switches. With the increasing demand for "high load capacity, anti-misoperation, and long service life" in equipment, the factory quickly listed the Rocker Switch as a core main product and set up a special R\&D team to tackle key challenges. After more than a decade of technical refinement, it has now formed a Rocker Switch product matrix covering 1A-32A current and 12V-380V voltage, which can meet the diverse control needs of equipment ranging from household sockets and kitchen appliances to industrial control cabinets and automotive circuits.
Technological breakthrough is the core competitiveness of Yueqing Tongda's Rocker Switches. Aiming at the pain points of traditional rocker switches, such as "easy contact ablation, weak protection performance, and prone to jamming during pressing", the R\&D team has carried out targeted optimizations: In terms of contact design, silver-tin alloy material is used and treated with high-temperature curing to reduce contact resistance, increasing the electrical service life of the switch to more than 200,000 times, far exceeding the industry's conventional standard of 100,000 times; In terms of protection structure, an innovative "double-layer sealing rubber strip" design is adopted, and some products have reached IP67 protection level, which can work stably in humid and dusty environments; In terms of operation experience, by precisely calibrating the angle of the rocker shaft, the pressing stroke is controlled within 1.2-1.5mm, ensuring clear on-off feedback without jamming.
To meet the characteristics of segmented industries, the factory provides flexible customized services. For the smart home field, it has launched an "indicator-equipped model" that supports warm light and cool light dual-color adjustment, which can feedback the circuit on-off status in real time; For the industrial field, it has developed a "high-load model" with a flame-retardant PA66 shell that can withstand a large current of 32A, suitable for high-power equipment such as motors and frequency converters; For the automotive electronics field, it has created a "high and low temperature resistant model" that can operate normally in an environment of -40℃ to 120℃, meeting the needs of automotive circuit control. Previously, the Rocker Switch customized for an automotive parts enterprise, relying on its "shock resistance + fast on-off" features, helped the enterprise's products pass strict automotive environment tests and secured a long-term cooperation order.

Quality control runs through the entire production process of Rocker Switches. In the raw material link, metal contacts and flame-retardant plastics that meet RoHS standards are carefully selected, and each batch undergoes anti-aging and breakdown resistance tests; In the production link, fully automated assembly lines and laser welding technology are introduced to control the component size error within 0.02mm, avoiding performance deviations caused by manual operations; In the testing link, each switch must pass the "200,000-time pressing life test, insulation resistance test, and high-low temperature cycle test" to ensure a 100% factory qualification rate. With strict quality control, the products have passed authoritative certifications such as UL, VDE, and CQC, and become qualified suppliers for enterprises such as Midea, Supor, and Joyoung.
Facing the industry trend of "intelligence and low power consumption", Yueqing Tongda is accelerating the technological upgrading of Rocker Switches. On the R\&D side, it is exploring the integration of Bluetooth modules into rocker switches to realize the integration of "remote control + status feedback"; On the production side, it is promoting the construction of "digital workshops" and realizing real-time traceability of production data through the MES system, improving production efficiency by 22%. In the future, the factory will continue to take the Rocker Switch as the core, adhere to the concept of "precision manufacturing and safety first", provide more adaptable and reliable control components for global customers, and promote the innovative development of the rocker switch industry.
In fields such as industrial control, household appliances, and security equipment, the Button Switch (pushbutton switch) is a basic control component for realizing "one-click start-stop". Its operational stability and environmental resistance directly affect the operational safety of equipment. Yueqing Tongda Wired Electric Factory, which has been deeply engaged in the switch industry for more than 30 years, focuses on the R\&D and manufacturing of Button Switches. It solves control pain points in different scenarios through technological innovation, provides highly adaptable button switch products for various industries, and has become an important force in promoting the localized application of button switches.
Since its establishment in 1990, Yueqing Tongda has always built its product system based on "demand orientation". In the early days, it mainly focused on general-purpose switches. With the upgrading of industrial automation and the popularization of smart home appliances, the market demand for Button Switches with "durability, anti-misoperation, and multiple specifications" has become increasingly urgent. The factory quickly listed Button Switch as a core main product, set up a special R\&D team, and after years of technological iteration, has formed a product matrix covering 1A-20A current and 12V-380V voltage. This matrix can meet the diverse control needs of equipment ranging from small household appliances to heavy industrial machinery.
Technological innovation is the core competitiveness of Yueqing Tongda's Button Switches. Aiming at the pain points of traditional button switches, such as "short pressing life, vulnerability to environmental interference, and high risk of misoperation", the R\&D team has carried out targeted optimizations: In terms of contact design, silver-nickel alloy material is used and treated with vacuum coating to reduce the contact oxidation rate, increasing the switch's pressing life to more than 150,000 times, far exceeding the industry's conventional standard of 100,000 times; In terms of protection performance, some products have reached IP67 protection level, which can work stably in environments with temperatures ranging from -30℃ to 90℃, as well as humid and dusty conditions.
To meet the characteristics of segmented industries, the factory provides flexible customized services. For the industrial field, it has developed a "high-current model" that supports 16A high-current on-off, meeting the high-power control needs of motor start-up and other scenarios; For security equipment, it has launched a "luminous model" that uses a fluorescent material coating to enable quick operation in dark environments. Previously, the Button Switch customized for an industrial equipment enterprise, relying on its "shock resistance + anti-misoperation" features, helped reduce the failure rate of the enterprise's production line by 25% and secured a long-term cooperation order.
Quality control runs through the entire production process of Button Switches. In the raw material link, copper materials and engineering plastics that meet RoHS standards are carefully selected, and each batch undergoes anti-aging and corrosion resistance tests; In the production link, fully automated stamping and assembly equipment is introduced to control the component size error within 0.01mm, avoiding performance deviations caused by manual operations; In the testing link, each switch must pass the "pressing life test, insulation resistance test, and high-low temperature cycle test" to ensure a 100% factory qualification rate. With strict quality control, the products have passed UL, VDE, and CQC certifications and become qualified suppliers for enterprises such as Midea and Gree.
Facing the industry trend of "intelligence and low power consumption", Yueqing Tongda is accelerating the technological upgrading of Button Switches. On the R\&D side, it is exploring the integration of wireless communication modules into button switches to realize the integration of "remote control + status feedback"; On the production side, it is promoting the construction of "digital workshops" and realizing real-time traceability of production data through the MES system, improving production efficiency by 18%. In the future, the factory will continue to take the Button Switch as the core, adhere to the concept of "precision manufacturing", provide more reliable and intelligent control components for global customers, and promote the innovative development of the button switch industry.
In fields such as consumer electronics, smart homes, and industrial equipment, the Round Switch has become a control component that balances functionality and aesthetics, thanks to its advantages of "simple appearance, easy operation, and strong adaptability". Yueqing Tongda Wired Electric Factory, which has been deeply engaged in the switch industry for more than 30 years, focuses on the R\&D and manufacturing of Round Switches. It solves scenario adaptation problems through technological innovation, provides customized control solutions for various industries, and has become an important supplier in the round switch field.
Since its establishment in 1990, Yueqing Tongda has always laid out its product matrix under the guidance of "market demand orientation". In the early days, it mainly focused on general-purpose switches. With the upgrading of equipment design's pursuit of "integrated appearance and humanized operation", the market demand for round switches has continued to grow, as they can adapt to curved panels and save installation space. The factory quickly set up a special R\&D team for Round Switches and listed it as a core main product. After years of technical refinement, it has formed a product system covering 1A-15A current and 12V-250V voltage, which can meet the control needs of equipment ranging from micro household appliances to heavy industrial machinery.
Technological breakthrough is the core competitiveness of Yueqing Tongda's Round Switches. Aiming at the pain points of traditional round switches, such as "poor pressing feedback, weak protection performance, and single adaptation scenario", the R\&D team has carried out targeted optimizations: In terms of structural design, it has innovated a "dual-contact linkage structure", accurately controlling the pressing stroke within 0.5-0.8mm to ensure clear feedback and no jamming; In terms of protection performance, it adopts silicone sealing rings and thread sealing technology, and some products have reached IP65 protection level, which can be used stably in humid environments such as kitchens and outdoor equipment; In terms of appearance adaptability, it provides multiple specifications with diameters ranging from 6mm to 25mm, and supports two shell materials (metal and engineering plastic) to meet the design needs of different equipment.
To meet the characteristics of segmented industries, the factory offers flexible customized services. For the smart home field, it has launched a "light-equipped model" that supports RGB color adjustment and can be linked with the operating status of equipment; For the industrial field, it has developed a "high-load-bearing model" with a zinc alloy shell that can withstand an external impact of 50N, suitable for high-frequency operation scenarios such as machine tools and control cabinets. Previously, the round switch customized for a smart home enterprise, relying on its "ultra-thin design + silent pressing" features, helped the enterprise's products win international design awards and enter the overseas market.
Quality control runs through the entire production process of Round Switches. In the raw material link, copper contacts and high-temperature-resistant plastics that meet RoHS standards are carefully selected, and each batch undergoes composition and anti-aging tests; In the production link, a fully automated assembly line is introduced to control the coaxiality error of components within 0.02mm, avoiding the impact of installation deviations on use; In the testing link, each switch must pass the "100,000-time pressing life test, high-low temperature cycle test, and insulation performance test" to ensure a 100% factory qualification rate. With strict quality control, the products have passed UL, VDE, and CQC certifications and become long-term suppliers for enterprises such as Midea, Supor, and Chint.
Facing the industry trend of "intelligence and lightweight", Yueqing Tongda is accelerating the technological upgrading of Round Switches. On the R\&D side, it is exploring the integration of touch sensing technology into round switches to realize "touch + pressing" dual-mode control; On the production side, it is promoting the construction of "digital workshops" and realizing real-time traceability of production data through the MES system, improving efficiency by 20%. In the future, the factory will continue to take the Round Switch as the core, adhere to the concept of "precision manufacturing", provide more adaptable and reliable control components for global customers, and promote the innovative development of the round switch industry.
In fields such as smart homes, industrial automation, and medical equipment, Micro Switch (micro switch) has become a key component for achieving precise control, thanks to its "high sensitivity and miniaturization" characteristics. Yueqing Tongda Wired Electric Factory, which has been deeply engaged in the switch industry for more than 30 years, provides reliable precision control solutions for various industries through its dedicated R\&D and precision manufacturing of Micro Switches, and has become an important force in promoting the localization development of micro switches.
Since its establishment in 1990, Yueqing Tongda has always been guided by the principle of "technology adapting to scenario needs", gradually focusing on the segmented field of Micro Switch from general-purpose switches in the early days. As equipment upgrades towards "miniaturization and high precision", the market's requirements for Micro Switch in terms of "trigger accuracy, service life, and stability" have become increasingly strict. The factory quickly set up a special R\&D team and listed Micro Switch as a core main product for key research. After years of technical accumulation, it has formed a Micro Switch product system covering 1A-5A current and 3V-250V voltage, which can meet the diverse control needs from micro sensors to large industrial machinery.
Technological innovation is the core competitiveness of Yueqing Tongda's Micro Switches. Aiming at the pain points of traditional micro switches such as "trigger delay, short service life, and vulnerability to environmental interference", the R\&D team has carried out targeted optimizations: In terms of contact design, silver alloy material is used and treated with a special electroplating process to reduce contact resistance, increasing the electrical service life of the switch to more than 500,000 times; In terms of structure, an innovative "dust-proof and splash-proof sealing design" is adopted, and some products have reached IP60 protection level, which can work stably in humid and dusty industrial workshops; In terms of sensitivity control, the trigger stroke is precisely calibrated to 0.1-0.3mm, meeting the scenarios with extremely high control accuracy requirements such as medical equipment.
To meet the needs of different industries, the factory provides flexible customized services. For the smart home field, it has developed "low-power Micro Switches", reducing standby power consumption by 30% to meet the battery life needs of wireless smart devices; For the industrial automation field, it has launched "high and low temperature resistant models", which can operate normally in environments ranging from -40℃ to 85℃; For the medical equipment field, it uses medical-grade environmentally friendly materials and has passed biocompatibility tests to ensure safe use. Previously, the Micro Switch customized for a medical equipment enterprise, relying on its "high-precision trigger + low noise" characteristics, helped the enterprise's products pass international certifications and gain recognition in overseas markets.
Quality control runs through the entire production process of Micro Switches. In the raw material link, metal contacts, engineering plastics and other components that meet RoHS standards are carefully selected, and each batch undergoes component testing; In the production link, fully automated precision assembly equipment is introduced to control the component assembly error within 0.01mm, avoiding deviations caused by manual operations; In the testing link, each switch must pass three core tests: "trigger accuracy test, service life test, and insulation performance test", ensuring that the qualification rate of delivered products reaches 100%. With strict quality control, the products have passed authoritative certifications such as UL, VDE, and CQC, and have become qualified suppliers for enterprises such as Midea, Haier, and BYD.
Facing the industry trend of "intelligence and miniaturization", Yueqing Tongda is accelerating technological upgrading. On the R\&D side, it is exploring the integration of sensor technology into Micro Switches to realize the integration of "control + data collection"; On the production side, it is promoting the construction of "digital workshops" and realizing full-process data traceability through the MES system, improving production efficiency by 25%. In the future, the factory will continue to take Micro Switch as the core, adhere to the concept of "precision manufacturing", provide more reliable and intelligent precision control components for global customers, and promote the innovative development of the micro switch industry.
In fields such as industrial equipment, household appliances, and medical instruments, Push Switch (button switch) is the core component for realizing "one-click control", and its reliability and adaptability directly affect equipment operation efficiency. Yueqing Tongda Wired Electric Factory, which has been deeply engaged in the switch industry for more than 30 years, provides customized control solutions for various industries through its dedicated R\&D and precision manufacturing of Push Switch, becoming an important force in promoting the localization upgrading of button switches.
Since its establishment in 1990, Yueqing Tongda has always been guided by the principle of "scenario needs driving product innovation", gradually expanding from basic button switches in the early days to multi-functional composite products. With the accelerating trend of equipment miniaturization and intelligence, the market demand for Push Switches with "small size, long service life, and anti-misoperation" has surged. The factory quickly listed it as a core main product and set up a special R\&D team to tackle key problems. After years of technical accumulation, it has formed a Push Switch product system covering 1A-10A current and 3V-250V voltage, which can adapt to the diverse control needs from micro household appliances to heavy industrial equipment.
Technological breakthrough is the core competitiveness of Yueqing Tongda's Push Switch. Aiming at the pain points of traditional button switches such as "pressing jamming, short service life, and easy water ingress", the R\&D team has carried out targeted optimizations: in terms of contact design, silver-copper composite material is adopted, which is processed by vacuum welding technology to reduce contact resistance, increasing the electrical service life of the switch to more than 100,000 times; in terms of structure, an innovative "dust-proof and waterproof sealing ring" is used, and some products have reached IP65 protection level, which can be used stably in humid and dusty environments such as kitchens and workshops.
To adapt to different industry scenarios, the factory provides flexible customized services. For the home appliance industry, it has developed "Push Switch with Light", which uses LED indicator lights to feedback the on-off status of equipment in real time; for the industrial field, it has launched "anti-misoperation model", adding a raised pressing panel to avoid equipment shutdown caused by accidental touch; for medical equipment, it uses medical-grade environmentally friendly plastic shells, which have passed biocompatibility tests to ensure safe use. Previously, the washing machine-specific Push Switch customized for a well-known home appliance enterprise, relying on "mute pressing + waterproof design", helped reduce the product failure rate by 30% after its launch.
Quality control runs through the entire production process of Push Switch. In the raw material link, copper materials and plastics that meet RoHS standards are carefully selected, and each batch undergoes component testing; in the production link, a fully automated assembly line is introduced to control the component assembly error within 0.01mm, avoiding deviations caused by manual operations; in the testing link, each switch must pass "pressing life test", "temperature resistance test", and "insulation performance test". Among them, the life test simulates actual use scenarios, and only after 100,000 consecutive presses without failure can the switch leave the factory. With strict quality control, the products have passed UL, VDE, and CQC certifications and become qualified suppliers for enterprises such as Midea and Gree.
Facing the industry trend of "intelligence and low power consumption", Yueqing Tongda is accelerating technological upgrading. On the R\&D side, it is exploring the integration of NFC (Near Field Communication) technology into Push Switch to realize the integration of "touch control + data transmission"; on the production side, it is promoting the construction of "digital workshop", realizing full-process traceability through MES system and improving production efficiency by 20%. In the future, the factory will continue to take Push Switch as the core, adhere to the concept of "precision manufacturing", provide more reliable and intelligent control components for global customers, and promote the innovative development of the button switch industry.
In fields such as esports, office work, and industrial control, the precise control and durability of a mouse directly affect user experience. As the core component of a mouse, the Micro Switch Mouse is the key to determining its click feel, response speed, and service life. Yueqing Tongda Wired Electric Factory, which has been deeply engaged in the switch industry for over 30 years, provides high-quality core components for global mouse manufacturers through its dedicated R\&D and precision manufacturing of Micro Switch Mouse, becoming an important force in promoting the upgrading of control experience in the mouse industry.
Since its establishment in 1990, Yueqing Tongda Wired Electric Factory has always been guided by the principle of "accurately controlling core components to empower the upgrading of end products", gradually focusing on segmented fields from early general-purpose micro switches. With the boom of the esports industry and the increasing demand for mouse performance in office scenarios, users' demand for "no click delay, stable pressing feel, and no double-click failure after long-term use" has become increasingly urgent. Relying on its miniaturization and high-sensitivity characteristics, the Micro Switch Mouse was designated as a key R\&D main product by the factory. After nearly a decade of technical refinement, the factory has formed a Micro Switch Mouse product matrix covering esports-grade, office-grade, and industrial-grade products, and has become one of the few enterprises in the industry capable of meeting the three major demands of "long service life, low actuation force, and fast response" simultaneously.
Technological innovation is the core competitiveness of Yueqing Tongda Wired Electric Factory's Micro Switch Mouse. The R\&D team has carried out a number of technical researches to address the pain points of traditional mouse micro switches, such as "fast attenuation of click feel, high actuation delay, and easy double-click failure": In terms of contact material, high-hardness silver alloy contacts are adopted, which have been treated with a special electroplating process to reduce the contact wear rate by 40%. This enables the click life of a single micro switch to reach more than 5 million times, far exceeding the industry's conventional standard of 3 million times; In terms of structural design, an innovative "dual-spring reset structure" is adopted, optimizing the actuation stroke to 0.6-0.8mm. This not only ensures clear click feedback but also shortens the actuation delay, meeting the fast operation needs in esports scenarios.
To meet the needs of different scenarios, the factory provides a variety of customized solutions for Micro Switch Mouse. For esports mice, it has launched a "high-elasticity actuation model" with a pressing force controlled at 50-60g to meet the fast rebound needs of high-frequency clicks; For office mice, it has developed a "mute model", which reduces the click noise to below 30 decibels by optimizing the contact collision structure, adapting to quiet office environments; For industrial control mice, it has created a "high and low temperature resistant model" that can work stably in environments ranging from -40℃ to 85℃, suitable for extreme scenarios such as factory workshops.
Quality control runs through the entire production process of Micro Switch Mouse and is the "lifeline" of Yueqing Tongda Wired Electric Factory. In the raw material link, strict screening is conducted on core components such as silver alloy contacts, springs, and plastic shells, and only suppliers that meet the EU RoHS environmental standards are selected; In the production link, fully automated precision assembly equipment is introduced to control the component assembly error within 0.02mm, avoiding the feel deviation caused by manual operation; In the testing link, each batch of products must undergo three core tests: "click life test", "actuation force consistency test", and "electrical performance test". The life test simulates actual click scenarios and verifies durability through continuous pressing; The force test uses a high-precision pressure sensor to ensure that the actuation force deviation of products in the same batch does not exceed 5g; The electrical test detects the on-resistance and insulation performance to ensure safe use.
Facing the development trend of "wireless, lightweight, and intelligent" in the mouse industry, Yueqing Tongda Wired Electric Factory is accelerating technological upgrading. On the R\&D side, it has launched the "miniaturized low-power Micro Switch Mouse" project, planning to reduce the switch volume by 20% and lower power consumption by 15% to meet the battery life needs of wireless mice; At the same time, it is exploring the integration of pressure sensing technology into micro switches to realize "different actuation forces triggering different functions", helping to make mouse control more intelligent. On the production side, it is promoting the construction of "digital workshops", realizing full-process data traceability through the MES production management system, and further improving production efficiency and product consistency.
In the future, Yueqing Tongda Wired Electric Factory will continue to take the Micro Switch Mouse as its core, adhere to the concept of "precision manufacturing and innovation empowerment", continuously break through industry technical bottlenecks, provide more durable, sensitive, and scenario-adaptable core components for global mouse manufacturers, and continuously promote the mouse control experience to a higher level of upgrading.