Rizhao Tongyuan Industrial Technology Co., LTD

Rizhao Tongyuan Industrial Technology Co., LTD is a manufacturing company focused on ductile iron casting and machining, established in May 2006. The company produces components including various model leaf spring hanger fittings, main reducer housings, differential housings, hubs, gearbox bodies, rear axle housings, engine vibration damping parts, and fitness equipment. Its manufacturing setup includes clay sand production lines, melting and pouring lines, medium-frequency induction furnaces, tumble blast shot blasting machines, resin-coated sand and core production lines, machining centers, and multiple molding and environmental sand recycling lines. Quality and compliance are supported through processes such as incoming inspection, in-process sampling, third-party product testing, and periodic calibration of measuring instruments, with personnel trained and certified for professional roles. The company holds manufacturing-related certifications including IATF 16949:2016 internal auditor qualifications, and it is recognized as a “casting entry-qualifying enterprise” and a “high-tech enterprise,” while also completing safety standardization and environmental permitting requirements. The company serves the automotive industry and fitness equipment export markets.

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