Hanwei Electronics Group Corp. manufactures gas sensors, gas detection products, industrial fixed systems, breathe alcohol testers and gas analyzer series, as well as key element for gas detection. Its business activities include research and development, production, and sales of electronic sensors; sales of instrumentation and control systems; mechanical and electrical equipment; and research and development of intelligent transport and security monitoring systems. The company was founded on September 11, 1998 and is headquartered in Zhengzhou, China.