Popular Product Categories

G5 basic micro switch

G5 basic microswitches 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 Waterproof Seat Adjustment Switch

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

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Why Choose Us

Unionwell Micro Switch China Factory

Huizhou Unionwell Sensing & Control Electronics Co., Ltd specializes in quality micro switches for the automotive industry and white goods of home appliances. Main products include basic micro switches, waterproof switches, air pressure switches, mechanical keyboard switches, and door switches.

For better pricing, lead time, and quality control guarantees, we acquired Huizhou Greetech Electronics Co., Ltd in 2021. We made it our China production base with over 500 employees and a 250 million pieces/year production capacity.

Most of our business partners/end customers are Global 500 enterprises, including world-famous home appliance brands and leading automotive suppliers in North America and Europe.

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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