Screws are the "salt of industry" and the "salt of everyday life." What we deliver to our customers through manufacturing is "peace of mind."
Sanwa Ai is a specialized trading company for fastening components such as screws, delivering quality assurance from general fastening parts to specially processed products made in-house. We offer products with reliable quality that accommodate various materials and a wide range of sizes. We have a diverse and extensive selection of hundreds of thousands of products, including JIS standards, organizational standards, and manufacturer standards. Through the manufacturing and sales of screws and fastening components, we contribute to people's safe and prosperous lives and the development of the manufacturing industry. 【Products Offered (Partial)】 <Standard Products> ■ Carbon steel, alloy steel, and iron products ■ Non-ferrous metals ■ Plastics ■ Stainless steel ■ Imported goods *For more details, please refer to the PDF materials or feel free to contact us.
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【Other Products】 <Special Processed Products> ■ Machined Products ■ Precision Processed Products ■ Forged Products ■ Press-Bent Products ■ Cast Products ■ Resin Processed Products ■ Special Material Products ■ Surface Treatment / Coating Treatment / Heat Treatment / Polishing *For more details, please refer to the PDF materials or feel free to contact us.
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Sanwa Ai is a trading company specializing in the research and development of screws. From a single screw among 50,000 items to custom-made products, we respond to our customers' needs with the technology and know-how we have cultivated over half a century.
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