Nippon chemical screw Co., Ltd. started making polycarbonate screws in 1965. Since then, we have grown as the only company specializing in plastic fasteners. All of our design, mold making, and injection molding is done i......Nippon chemical screw Co., Ltd. started making polycarbonate screws in 1965. Since then, we have grown as the only company specializing in plastic fasteners. All of our design, mold making, and injection molding is done in Japan, with 50+ years of experience, technical knowledge, and craftsmanship. We are continuously innovating and developing to anticipate and meet customers current and future needs.