Rizhao Longshan precision Machinery manufacture Co., LTD

Rizhao Longshan precision Machinery manufacture Co., LTD specializes in the R&D, production, and sales of automotive spare parts. The company produces various models of auto leaf spring brackets, steering gear brackets, and bumper brackets, with the capability to manufacture high-grade ductile iron castings. Its manufacturing process includes clay sand and shell-mold (film-coated) sand casting lines, followed by molding, melting, pouring, sand treatment, and shot blasting cleaning, and it also supports electrophoresis processing with steps including washing, degreasing, film formation, electrophoresis, UF1/UF2 washing, and drying. Machining is performed using multiple machining centers that enable multi-process automatic machining after a single clamping, improving efficiency and precision. Quality and material verification are supported by TS16949 certification and a range of inspection and analysis equipment such as direct-reading spectrometers, carbon-sulfur analyzers, metallographic microscopy, tensile testing, Brinell and Rockwell hardness testing, and salt spray testing. The company serves major customers including China Heavy Truck Group, FAW, BAIC Foton, Shandong Wuzheng Group, and Rizhao Xingye Automobile Parts Co., Ltd.

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