AVIC Dongfang Aviation Instrument Co., Ltd. is a key enterprise of AVIC, located at Hanzhong city of Shaanxi province, it is the earliest company accepted by the State High-tech Corporation. The factory was set up in Nanzheng County in 1970, and was moved in the South Region of Hanzhong Economic Development Zone in 2005. Now，It has 0.237 billion assets and 1400 types of equipment used in machining, 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 enough talent pool have greatly improved the R&D capability, the manufacturing level and the products quality.

Our self-research products own the Intellectual Property and more than 20 invention patents. The new high-tech product——ZHUNDA torque wrench, which has gained the national and international customers due to high precision, complete ranges from 0.2N.m to 20000N.m, stable performance, convenient usage, durable and circumspect after-sale services. Nowadays, ZHUNDA torque wrenches are widely used in aviation, space, fight, railway, boats and ships, automobile, motorcycle, wind power, petroleum, bridge, metallurgy, electrical and internal-combustion engine industry etc.