Hoshing (Hong Kong) development limited is military background company, which is a branch of the China aviation industry avionics systems Co., Ltd...Our factory is located in the beautiful hanzhong city where is famous for "the south of the changjiang river" in the hanzhong basin. The factory is set up in shaanxi province in 1970. It is a mainstay enterprise for providing war product. It has 0.23 billion property and 1400 equipment which used for machining, heat treatment, punch, welding, centrifugal casting, final assembling, testing, checking, physical and chemical testing, measure and inspection. In the past 40 years, we have developed many products for national defense and civil use, such as the torque wrench, which is exploited by ourselves by using war industry technique. There are more than 100 kinds of products, such as mechanical torque wrench, digita display torque wrench, dial indication torque wrench, torque screw driver, hydraulic torque wrench, and etc. Our torque wrenches have been trusted by the national and international customers due to high precision, complete range of size, stable performance, convenience usage, long life and good service. Nowadays wrenches have been used broadly to aviation, spaceflight, railway, boats and ships, automobile, bridge, electrical and internal-combustion engine industry and etc. Our products have been sold to Europe, America, Japan and other countries.

The design and manufacture of our torque wrenches accord with the state standard GB/15729 general technical condition of brand torque and international standard: ISO 6789-92. Our production has been obtained the maching measurement equipment product certificate, and also many national invention patents. The design, exploit, manufacture and service of the torque tools executes absolutely international quality standard GB/t19001-2000, and achieves the quality management system certification (registered code: 00804q10300ROM), which awarded by China new era quality system authentication center.