SRDI (Specialized, Refinement, Differential, Innovation) “High-New Technology” enterprise

Who we are?

Founded in 2007, Unionwell currently employs over 600 people and is located in Longmen County, Huizhou City, Guangdong Province, China. Our 54,000-square-meter industrial park is a leading manufacturer and supplier of electronic components, specializing in core sensing and control components. As a top 10 small and medium-sized high-tech enterprise, our commitment to innovation, quality, and customer satisfaction has established us as a trusted brand in the industry.


Our workshops and R&D department

As a SRDI (Specialized, Refinement, Differential, Innovation) “High-New Technology” enterprise, The company's R&D department has a number of professional engineers with more than 20 years of industry experience, rich industry professional experience, has a complete laboratory and the production workshop implements the MES workshop manufacturing execution management system, and 90% of the manufacturing process adopts automated productions.

190 + product innovation patents


264 MILLION RMB SALES LAST YEAR


over 600 employees


90% manufacturing adopts automated production


Mark Song | Unionwell President CEO

Hello, I'm Mark Song, founder and CEO of Huizhou Unionwell Sensing & Control Electronics Co., Ltd. I have over 30 years of experience in the micro switch industry, starting in 1993. From founding Unionwell to developing its products, I've accumulated extensive expertise. Our company boasts a strong development, production, quality, and service team. I'd like to share my products, knowledge, and industry news on this website, hoping it will be helpful to you. Our company is committed to meeting your needs with professionalism and dedication!

Our History


Unionwell Micro Switch Factory Strength Established in 2007, Huizhou Unionwell Micro Switch Factory Sensing and Control Electronics Co., Ltd. is a leading manufacturer and supplier of high-quality electronic components, specializing in core sensing and control components. A Top 10 SRDI (Specialization, Refinement, Differentiation, Innovation) "High-Tech" enterprise, Unionwell is dedicated to the research, development, production, and sale of a wide range of high-quality electronic components. With a focus on innovation, quality, and customer satisfaction, Unionwell has become a trusted brand in the industry and a globally recognized electronic component manufacturer.

Authoritative Certifications

Unionwell has obtained ISO14001, ISO9001, IATF16949, ISO45001, and ISO50001 quality assurance system certifications. Key products have passed safety standards certifications such as UL, CUL, ENEC, EU CE standards, and CQC, with some also receiving ATEX certification. All products comply with RoHS and REACH environmental regulations, and the Ecovadis sustainability assessment ranks among the top 20% globally, laying the foundation for global sales.

ATEX Certiication

ISO50001

TSCA

IATF16949