三協化成 Company Profile

We carry out everything in-house, from mold design to manufacturing and processing, based on resin extrusion and injection molding.

Since its establishment in 1975, we have been a comprehensive plastic molding manufacturer that consistently engages in extrusion and injection molding based on plastic materials, which are the "materials of dreams," from the production of molding processing molds to product assembly. Although our products are not often seen directly by customers, we respond flexibly to social needs such as safety, the environment, and comfort, transforming into various forms to provide products that contribute to our customers' daily lives in housing, home appliances, and transportation. We cherish a free and open corporate culture, think and act with a positive mindset, and strive to evolve as a corporate group where each individual supports the company and embraces change. Moving forward, we will continue to provide high-value-added products and services that meet customer needs with a refined high-production system and excellent quality, based on the philosophy of the SANKYO TATEYAMA Group. We sincerely ask for your continued support and encouragement.