Popular Product Categories

G5 basic micro switch

G5 basic micro switches have various temperature grades, such as 25T85, 25T125,25T150; The micro switch has a wide application in appliances(ice maker/dishwasher), etc.

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G3 subminiature micro switch

G3 subminiature IP67 micro switches have a small compact size and have obtained global safety approvals. It is widely used in automotive electronics(charging guns/charging piles) and appliances.

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G9 waterproof micro switch

The G9 micro switch does better waterproof(IP67) and dustproof; the G9 micro switch has a long life and high reliability. It has a wide application in auto control, appliance and charging guns.

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G19 car seat adjustment switch

Unionwell G19 waterproof seat adjustment switch has a tight structure, realizing two-way or four-way conversion, developing an IP67 waterproof sealed design. G19 provides custom switch designs for various car types.

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Why Choose Us

Unionwell Micro Switch China Factory

Huizhou Unionwell Sensing & Control Electronics Co., Ltd. is an SRDI (Specialized, Refinement, Differential, Innovation) “High-New Technology” enterprise, dedicated to the research, production, and sales of various sensing and control core components. Our main products include basic micro switches, waterproof & dustproof micro switches, air pressure switches, mechanical keyboard switches, door switches, etc. The new headquarters and R&D base were founded in 2020 and formally put into production in May 2023, located in the beautiful Huizhou Industrial Transfer Park, Longmen County, Huizhou City, Guangdong Province, covering an area of 65,000 square meters. We have over 600 experienced employees, and 60% of our R&D team members have 20 to 30 years of industry experience.

For better pricing, lead time, and quality control guarantees, the wholly-owned subsidiary for Unionwell, Huizhou Greetech Electronics Co., Ltd., which has specialized in the R&D and production of micro switches since 2007, became our China production base in 2021. With the subsidiary sales branches Guangzhou and Chongqing Unionwell Sensing & Control Technology Co., Ltd. founded, and the joint efforts of many business partners, we have established a worldwide sales network, business coverage throughout North America, Europe, Asia, Middle East, and South America.

Customized Micro Switch Solutions

Micro Switch Engineering Solutions

Explore your design and applications to find a fit for your next product.

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Micro Switch One-stop Solutions

Automation manufacturer with proven project capabilities.

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Perfect Quality Management System

Ensures that product quality 100% meets customers' requirements.

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Micro Switch Application

We have a wide range of products suitable for different industries. A large proportion of our business is based on customized products. Our engineering team can support a full new development.


Automotive micro switches are applied in automotive door locks, inverters, shifters, etc.

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Home Appliances

Basic micro switches are applied in ice makers, microwave ovens, dishwashers, hot water faucets, etc.

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New Energy

Waterproof micro switches are applied in new energy vehicles, charging piles, charging guns, etc.

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Mechanical Keyboard

Mechanical keyboard micro switches are applied to computer keyboards, etc.

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Unionwell Partners

Unionwell has occupied a position as an Asian supplier in the high-end components market; meanwhile, our micro switch has become a world-renowned brand. And we supplied for Honda, Lexy, BYD, and Haier, world-renowned brands.
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