About Us

Suzhou SEMIR Electronics specializes in the research, development, and production of new energy vehicle peripheral testing systems, including charging gun modules (Type 1 and Type 2), PDUs, power harnesses, high-voltage harnesses, and more. Our product range includes battery internal resistance testers, LCR meters, transformer comprehensive testers, wire harness testers, impedance analyzers, micro-ohm meters, inter-turn short circuit testers, power supplies, safety testers, continuity testers, high-voltage testers, withstand voltage testers, insulation testers, bias current sources, grounding resistance testers, contact current testers, multimeters, temperature and humidity recorders, and other testing instruments.

Service and quality are the foundational pillars of our company. As a result, our products always lead the technological forefront, and our services are rooted in providing high-quality technical solutions and consulting for our clients. Our wide product range and excellent after-sales service have earned us widespread acclaim.

Self-Developed and Manufactured Products:

•Battery internal resistance testers

•DC resistance testers

•AC resistance testers

•DC electronic loads

•Programmable DC power supplies

•Charging gun testing systems

•High-voltage testers

•Connector testers

•PDU control box testers

•New energy charging gun harness safety testers

•Mode 2 functional testing systems

•New energy PDU control box testers

•Automotive door panel harness testing systems

•Professional automotive connector testing equipment

•Motor servo inverter testing systems

•Power inverter testing systems

•Wire and connector testers

•Multi-channel temperature testers

•Insulation resistance testers

•Precision LCR meters

Our commitment to high-quality products and after-sales service ensures that we continue to receive broad recognition and trust from our customers.