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 and later merged with Qingdao No.1 Instrument Factory. Both of the two factories were key enterprises of the former China Machinary and Electronics Industry Ministery.

QHAI is a professional company of automatic instruments of hi-tech integrated with scientific research, production, sales and service. With a promising 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 controls (for refrigerators and freezers), Car instruments and Car refrigerators, testing gears for cars (testing freezing system, water-cooling system, fuel and oil flowing and air-conditioner control).

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. 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.
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 our win-win strategy because we have a firm belief that working together will go on forever.

As the ocean contains water from all streams working together will go on forever.