We respond to a wide range of customer needs with our specialized knowledge, experienced engineers, and comprehensive facilities.
Sangyo Gosei Resin Co., Ltd. is a company specializing in plastic molding located in Niigata Prefecture. We manufacture injection-molded products for residential equipment, office automation equipment, electronic devices, precision instruments, and medical devices. You can trust us with anything related to plastic, from small items to large ones. We can hold meetings even without drawings. We will create 2D drawings and 3D models based on image sketches and samples to make proposals. 【Features】 ■ 78 years of experience since establishment ■ Skilled plastic engineers on staff ■ All molding machines are equipped with electric motors ■ 3,000 pallets of materials and products in stock *For more details, please refer to the PDF materials or feel free to contact us.
Inquire About This Product
basic information
【Other Features】 - Utilizing the technology and know-how we have cultivated, we deliver products that meet customer needs with high quality through various improvements, automation, and labor-saving measures based on our extensive knowledge. - Certified plastic molding technicians (national qualification): A total of 60 qualified individuals, including 11 special class, 35 first class, and 19 second class (as of the end of March 2021). - Low power consumption, stable molding conditions due to servo motor control, and low noise. We have a total of 82 machines ranging from 50t to 650t. - Equipped with 8 automated warehouses to stock materials and parts, enabling us to meet customer delivery deadlines. *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please refer to the PDF document or feel free to contact us.
catalog（1）
Download All Catalogs
Company information
Sangyo Composite Resin is a plastic injection molding manufacturer. Based on the molding know-how and infrastructure cultivated over many years, we continue to provide plastic parts to customers in a wide range of industrial sectors. ■ Supporting manufacturing with "comprehensive strength" 1. 82 electric injection molding machines (clamping force 50–650t, product weight 0.05–3500g) 2. Automated logistics warehouse with 3000 pallets 3. Human resource education (65 nationally certified molding technicians) 4. Molding technology and know-how (capable of handling general-purpose resins to super engineering plastics) 5. Management system certified with ISO9001 and ISO14001, and ISO13485 (with applicable scope) 6. Traceability (introduction of a production management system specialized for injection molding to track the routes of products, parts, and raw materials) ★★★ Announcement ★★★ We will be exhibiting at the 30th Mechanical Components Technology Exhibition (M-tech) from July 9 to 11, 2025. For more details, please check the news or announcements on our company website.