AVIC Shaanxi Dongfang Aviation Instrument Co., Ltd. is a backbone enterprise of avic, it was set up in in nanzheng county in 1970, and has 0.237 billion property now and 1400 types of equipment which used to machine, heat-treatment, punching, welding, centrifugal casting, final assembling, physical and chemical testing, measuring and inspecting. There are another 80 sets of high precision, test and examining equipment, such as 5-axis linkage machining center, numerical control car(nc), computerized numerical turn-milling control center, three combined test equipment, three-coordinate measuring machine(CMM) etc. The advanced technique and talent pool have greatly improved the R&D capability, the manufacturing level and the quality assurance.

Our self-research products own the intellectual property, the new high-tech product__zhunda torque wrench, which have been won by the national and international customers due to high precision, complete ranges of size from 0.2n. M to 20000n. M, stable performance, convenient usage, long useful time, good service and awarded more than 20 patents of convention. Nowadays, zhunda torque wrenches have been widely used in aviation, space, fight, railway, boats and ships, automobile, motorcycle, wind power, petroleum, bridge, electrical and internal-combustion engine industry etc. Zhunda torque wrenches now have been sold to Europe, America, Japan and other developed countries.

The designing and manufacturing of zhunda torque wrench have achieved the state standard GB/t15729 general technical condition of brand torque, and international standard: ISO6789-92. The production has obtained the making me asurement equipment product cetificate, and also many national invention patents. The design, exploder, product and service of the torque tools execute absolutely international quality standard GB/t19001-2000, and achieve the quality management system attestation certificate, which awarded by China new era quality system attestation center. Our products mainly include: Nb (d) and tw series of mechanical torque wrenches; Snb and cnb series of digital torque wrenches; Znb series of dial indication torque wrench; Ynb series of hydraulic torque wrench; Nqg and nqy series of torque screw driver; Nz series of torque multiplier; Tls series of digital force gauge; Nj series of torque wrench tester etc.