Jinan Xiujian Machinery Manufacturing Co;

Jinan Xiujian Machinery Manufacturing Co., Ltd. is a professional manufacturer specializing in the R&D, production, and sales of road and off-road vehicle axle bridge parts, axle bridge assemblies, and transmission gearbox component parts. The company serves major OEMs including China National Heavy Duty Truck (Sinotruk), Xuzhou Machi vehicle axle, and the U.S. Dana. Manufacturing includes automated production lines for differentials, bevel gear and cross-shaft production lines, housing-type production lines, and precision forged gear and synchronizer production lines, supported by advanced cold- and hot-processing equipment. Quality control is reinforced through inspection and testing equipment such as direct-reading spectrometers, metallurgical microscopes, hardness testers, gear measurement centers, coordinate measuring machines, synchronizer test benches, and fatigue and torque test systems, along with heat treatment lines including multi-purpose furnaces and nitriding, tempering, isothermal quenching/normalizing, and shot peening. The company has obtained ISO9001, ISO/TS16949-2009, and IATF16949-2016 quality management system certifications.

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