We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for Counter Sunk Self Tapping Screw, Oxided Carbon Steel Self Tapping Screw, Phillip Self Pagbangag screws , Screw And Bolts,Truss Hex Head Nylok Screws. Our highly specialized process eliminates the component failure and offers our customers unvarying quality, allowing us to control cost, plan capacity and maintain consistent on time delivery. The product will supply to all over the world, such as Europe, America, Australia,Switzerland, Berlin,Costa Rica, Lahore.With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.