Our merchandise are commonly identified and dependable by end users and will meet continually altering financial and social desires for Black Phosphated, Galvanized Roofing Screws, Self-Drilling Roofing Screw Din 7504k, Din934,Pan Framing Head Self Drilling Screw. Never-ending improvement and striving for 0% deficiency are our two main quality policies. Should you need anything, don't hesitate to contact us. The product will supply to all over the world, such as Europe, America, Australia,Amman, Surabaya,Malawi, Jordan.With strong technical strength and advanced production equipment, and SMS people purposefully , professional, dedicated spirit of enterprise. Enterprises took the lead through the ISO 9001:2008 international quality management system certification, CE certification EU ; CCC.SGS.CQC other related product certification. We look forward to reactivating our company connection.