Henan Hanwei Electronics Co., Ltd. (ISO9001:2000 certified), established in 1998, with approx. 400 employees, is expert in the R&D, manufacture, and marketing of a full line of gas-detection products and solutions in China.Hanwei become a listed company in 2009 (stock number: SZ300007).Hanwei products can be divided into domestic gas alarms, portable gas detectors, industrial fixed systems, breath alcohol testers and gas analyzers, as well as gas sensors and key elements for gas detection. Unique from other gas detector suppliers, we have the core technology of gas sensing, which drives us ahead in developing complete gas detection solutions.Hanwei R&D Center has the first-grade team of more than 100 engineers, advanced test equipments, scientific methods, and project management system in line with international standard. They are ready for supplying professional and exact technical service and designing projects to meet local customer's needs. The independent technology from sensors to detectors enables us to afford one-stop gas detection solution service all over the world.Hanwei always concentrates on enhancing the communication with customers, developing international cooperation, and participating in the international competition by attending many professional exhibitions all over the world ever year. Our marketing network covers Europe, the Middle East, Southeast Asia, America and South Africa.Hanwei products have obtained the certificates of CE, TUV, ATEX, and RoHS, and are widely used in industrial fields like petroleum, chemical industrial industry, metallurgy, and pharmacy, and painting houses and civil or commercial places such as gas stations, supermarkets and residents.Creating value for customers is our forever pursuit. OEM and ODM orders are welcome.