
RUIMING GROUP CO., LTD. manufactures aluminum alloy castings for vehicle powertrain applications, specializing in engine cylinder heads and related housings with a strong focus on quality, innovation, and on-time delivery.
RUIMING GROUP CO., LTD. is an innovation-driven manufacturer of key vehicle engine components, providing aluminum alloy casting solutions and services to automotive customers worldwide. The company’s core product lines include automotive engine cylinder heads and cylinder blocks, as well as water pump housings, transmission housings, new-energy three-electric system housings, and a range of automotive parts.
With a customer-first approach and technology-led development, Ruiming focuses on advanced processes and intelligent manufacturing for engine core components. Its cylinder head products achieve a low external scrap and defect rate of 3‰, reflecting a high level of quality performance.
The company serves a broad customer base that covers 95% of domestic independent automotive brands, joint-venture brands, and international brands. Ruiming emphasizes outstanding quality and superior service, upholding commitments on prompt delivery and reliable shipment to support long-term, trust-based partnerships.

Ruiming focuses on aluminum alloy castings for key vehicle engine and powertrain components, delivering end-to-end solutions that combine manufacturing capability with application-focused engineering.
The company follows a customer-centered approach and prioritizes technology and innovation, advancing process capability and intelligent manufacturing for engine core components.
Ruiming positions quality and service as the foundation of its manufacturing, management, and supervision, with a strong emphasis on keeping commitments and ensuring prompt delivery and shipment.
Cylinder head products achieve an external scrap and comprehensive defect rate of only 3‰, reaching an internationally competitive professional level.
Ruiming’s customer base includes 95% of domestic independent automotive brands, joint-venture brands, and international brands.
Within the domestic passenger car market, 1 in every 5 vehicles uses an engine cylinder head produced by Ruiming.
The company continues to develop new-energy three-electric system housings, lightweight transmission housings, and water pump housings to support the next generation of vehicle platforms.
Ruiming operates a national-level postdoctoral research workstation and has held research project proposal reports to drive deeper technical collaboration and innovation.
The company’s stated direction is to build a world-class vehicle parts business, strengthening global competitiveness through continuous innovation and manufacturing excellence.
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