Established in 1981 Sheen Tzar Co., Ltd. specializes in R&D and manufacturing of High-Speed Self Drilling Screw Forming Machines and Dies. We have paid very close attention to the quality of each of our machine and mold products. Constant improvements have made our products best of their kinds. With each and every component meeting highest-level quality standards, our products are thus highly recommended for their superb quality. We have both factory in Taiwan & Jingjiang city in Jiangsu Province of China,which not only manufactures Self Drilling Screw Forming Machines and Dies, but also R&D and production of Heading Machine,Thread Rolling Machines, Double-cutter Slotting Machines, Screw Point Cutting Machines & Screw Washer Assembly Machine.This plant's wide uses of machines and dies will fully satisfy our customer's need in terms of designs and quantities. We sincerely welcome those who manufacture and are about to make Self Drilling & Self-Tapping Screws to contact us for desired machines, drill point dies, heading dies, and thread rolling dies. We can also develop and manufacture special dies according to customers'special requirements.