QHAI used to be a JV company called Qingdao Hengstler Automation Instrument Co. Ltd. Founded by Qingdao Counter Factory and Hengsther Gmbh Germany in 1993, later it merged with Qingdao No.1 Instrument Factory. Both of the two Chinese factories were key enterprises of the former China Machinery and Electronics Industry Ministry. QHAI is a professional company of automatic instruments of hi-tech integrated with scientific research, production, sales and service. After a long-term subatained and rapid development its product range covers counters such as Electronic Counter series, Electric-Magnetic Counter Series，Mechanical Counter Series, Timers, Encoders, Sensors, Relays, Frequency converter(for air-conditioners, drinking-water machines and micro-wave ovens), temperature controllers (for refrigerators and freezers), Car air-conditioning and Car refrigerators, testing gears for cars (testing freezing system, water-cooling system, fuel and oil flowing and air-conditioner controllers). QHAI follows the motto of Progress and Creation and Customer-oriented marketing philosophy in both domestic and global markets. It undertakes TQM and has gained ISO9001-1994 and ISO9001-2000 certificates. The products have got UL, CE and ROHS certificates, Its customers cover more than 30 provinces and major cities in China and has exported to the States, Germany, Japan and Australia and so on. QHAI is proud of its reputation and credit with which it has won the honour of Enterprise of AA Credit, Enterprise of Good Reputation of Fulfilling Contract. QHAI offers you the best products with the best quality and service and implements a win-win strategy because we have a firm belief that working together will go on forever. As the ocean contains water from all streams our working together will go on forever.