Roofing Screw, Drywall Screw, Blind Rivet manufacturer / supplier in China, offering OEM Customized Service Zinc Plated Black Home Furnishing Decoration Metric Thread Solid Q235 Q195 M3-M50 Threaded Rod B7 Thread Rod/Stainless Steel Thread Rod, Hex Washer Head Self-Drilling Screw with Epdp Washer Roofing Screw DIN7504K, DIN/ASTM/ANSI/ISO/Uni/as/GB SS304 SS316 Diameter M4-M36 25mm-300mm DIN931 DIN933 Customized Hex Head Stainless Steel Hex Bolt and so on.