Hanwei Electronics Group Corporation, together with its subsidiaries, provides gas sensors and instruments in China and internationally. It operates through the Sensor, Industrial Safety, Utilities, Smart City, and Smart Environmental Protection segments. The company offers domestic gas alarm products, such as battery-operated and AC powered CO alarms, independent natural or LPG gas alarms, smart gas detectors, combined CH4 and CO alarms, smoke detector, and air quality monitors; industrial gas detection products, including gas leak, portable single gas, portable multi gas, fixed gas, open path gas, and flame detectors, as well as gas control panels; and alcohol tester products comprising semiconductor, fuel cell, rapid screen, professional, and standalone breathalyzers. It also provides heated blankets; water and gas meters, and environmental parameter monitoring devices; and sensors, such as gas and flexible sensors, elastic sensors, lasers, IMU, six-axis force sensors, ultrasonic detecting modules, platinum film sensors, and infrared sensor module. In addition, the company offers solutions for enterprise safety; municipal service; commercial, residential fire, and gas safety; and alcohol tester and safety driving. The company's products are used in industrial and home safety, and breathalyzers. The company was formerly known as Henan Hanwei Electronics Co., Ltd. and changed its name to Hanwei Electronics Group Corporation in July 2017. Hanwei Electronics Group Corporation was founded in 1998 and is headquartered in Zhengzhou, China.