Shenzhen Dahe Industrial Co., Ltd.  

Screw, Self Drilling Screw, Self Tapping Screw, Roofing Screw, Bi-Metal Screw, TEK Screw, Hex Flange, Washer Screw, Nylon Hex Washer Head, Wood Screw, Truss Head, Pan Head, Drywall Screw, Window Screw