We will provide improved total cost performance and better quality products!
Seiwa Sangyo Co., Ltd. is a comprehensive technology manufacturing company within the Taisho Seiki Kogyo Group. Our group is a vertically integrated manufacturing group that provides nonstop services, from product design and mold forming to assembly. We are united as a company, prioritizing contributions to our users, and we aim to improve overall cost performance while providing better quality products. *For more details, please refer to our catalog or feel free to contact us.*
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【Global Production System】 ■ Seiwa Industry Co., Ltd. ◎ Design・Planning → Model Creation → Molds → Mass Production → Finished Products ■ Taisho Seiki Kogyo Co., Ltd. ◎ Molds ■ Shanghai Chengtai Precision Mould Industry Co., Ltd. ◎ Molds → Mass Production → Finished Products ■ TAISHO SEIKI (THAILAND) CO., LTD ◎ Molds → Mass Production → Finished Products ■ Choei Trading Co., Ltd. (Korea) ◎ Mold Exports ■ SST Design Development Center Co., Ltd. ◎ Design → Model Production *For more details, please refer to the catalog or feel free to contact us.
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For more details, please refer to the catalog or feel free to contact us.
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We are a plastic-related manufacturer that responds with comprehensive capabilities from planning, proposals, and design to molding, processing, secondary processing, and mass production. With production equipment that meets our customers' needs and trust, we achieve higher quality and timeliness with reliable facilities, realizing complex and diverse shapes with high quality. When it comes to anything related to plastics, you can trust us to handle it with confidence.