About US

Promax Engineering

Promax Engineering is an ISO/TS 16949 certified automotive production parts supplier headquartered in Westland, Michigan that combines manufacturing, marketing, engineering, and technical service. We supply various parts including, but not limited to: cold forming, stamping, forging, machining, powder metal, plastic injection molding, casting, and assembled products. We provide products and services along the entire supply chain from China to end-users. Promax engineering offers a great opportunity for US OEMs and enterprises that are currently exploring a program for cost reduction and overseas sourcing. Promax’s marketing development team is uniquely positioned to respond to current market concerns and committed to our customers with quality control, competitive pricing, and on-time delivery. Our own manufacturing plant in Kunshan, China produces high quality automotive parts; moreover, all of our manufacturing partners in China are selected based not only on their manufacturing capabilities but also their quality control systems. We require that all of our partners must be ISO 9001 and TS 16949 certified to achieve our goal of high quality standards.

Who are we?

Your partner for global sourcing, complete supply chain management, and cost reduction.

What do we do?

Supply certified high quality automotive and mechanical parts at competitive prices to contract manufacturers and OEM companies.

Our strengths:


-Dynamic marketing team and serious marketing efforts.
-Expert engineering team with many years of product design and development experience, along with advanced Mechanical Engineering degrees.
-Headquarters and warehouse located in Westland, Michigan and manufacturing facility nearby.


-Our own manufacturing plant located in Kunshan, China.
-Established partnerships with top ISO 9001 and/or TS 16949 certified manufacturers.
-Field office in Shanghai, China monitors the entire production process, conducts quality assurance, and insures on-time delivery.

Need more details? Contact us

We are here to assist. Contact us by phone, email or via our social media channels.