SINWH is a global supply organization that provides products and services to manufacturing customers worldwide. We are located in Osaka, Japan, the important economic center with convenient logistics through Air and Ocean providing access to global transportation networks.  

The company's mission is to build strong lasting relationships, trust, and great value consistently. We set up multiple business divisions. Our metal division provides cast, forged, and machined metal products in a wide range of materials .Our plastic products division focuses on plastic injection tooling and molded parts. Both specialized in Prototype, Low volume and High Volume production.  In addition. We provide the Engineering Design Services to our industry leading customers. 

SINWH has registered operation with offices in Japan, warehousing and manufacturing space in Qingdao, China, Michigan USA, Ontario Canada. We are ISO certified to GB/T 19001-2015 / ISO 9001:2015 for all operations and have additional product specific certifications for industry specific requirements. SINWH is a single metal and plastic solution that can bring high quality, low cost manufactured components to your company.

Worldwide Location:

Osaka, Japan   

Responsible for Japan market research  and development of automotive OEM and Tier one customers, participate in the development & maintenance of global orders in China and Japan with supply chains, participate in design processes during product development, coordinate and collaborate.

Qingdao, China

Design, development, and manufacturing of metal and plastic products and injection molds; development, maintenance, and management of supply chain and global logistics transportation; Participate in new product design, R&D, and related after-sales services with USA and Japan teams

Michigan, USA

Development, maintenance, and after-sales service for Global automotive OEM and Tier One customers, coordinate the supply chain in China and Japan. Lead the new parts design, R&D with China, Japan team.

Manufacturing for the plastic and metal prototype parts at own plant.

Manufacuring for the aluminum alloy parts at own foundry.

Toronto, Canada

Development, maintenance, and after-sales service for global automotive OEM and Tier One customers, coordinate the supply chain from China and Japan.

Manufacturing for aluminum alloy casting parts at own foundry