We comprehensively create everything from product planning and design to mold manufacturing, molding and decoration, and assembly.
Seiwa Industries Co., Ltd. is a group company of Taisho Seiki Kogyo Co., Ltd. Our company is a comprehensive technical manufacturing manufacturer that handles plastic products, starting from the production of injection molds to the manufacturing of molded products and assembly, providing a wide range of manufacturing contracts. Additionally, we have established overseas manufacturing bases in Shanghai, China, and Thailand, supporting our customers' overseas expansion. We will continue to strive for detailed proposals and problem-solving according to the situation, and we aim to remain a company that is truly necessary for our customers. 【Business Items】 ■ Planning, design, and manufacturing of plastic products ■ Design and manufacturing of plastic molds *For more details, please refer to our catalog or feel free to contact us.
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【Business Activities】 ■ Injection Molding ■ Mold Manufacturing ■ Metal Sheet Processing ■ Design/Engineering ■ Mechatronics Business ■ Blow Molding ■ Product Decoration Support (Secondary Processing) ■ Product Inspection/Assembly Work ■ Various Prototype Manufacturing ■ Parts Procurement *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.