Our development depends on the advanced equipment, excellent talents and continuously strengthened technology forces for Roofing Self Tapping Screw, Hexagon Drill Tail Screw , Patta Self Drilling screws, Self Drilling Screw ,Black Phosphate Drywall Screw . Always for the majority of business users and traders to provide best quality products and excellent service. Warmly welcome to join us, let's innovation together, to flying dream. The product will supply to all over the world, such as Europe, America, Australia,Namibia, Armenia,Honduras, Angola.We follow up the career and aspiration of our elder generation, and we are eager to open up a new prospect in this field, We insist on "Integrity, Profession, Win-win Cooperation", because we have a strong backup, that are excellent partners with advanced manufacturing lines, abundant technical strength, standard inspection system and good production capacity.