Established in 1981, Sheen Tzar Co., Ltd specializes in R&D and manufacturing of High-Speed Self Drilling Screw Forming Machines and Dies. Having been running and growing steadily in the field for over two decades. 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 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.