CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering Hexagon Head Lag Bolt Screw DIN571 Wooden Screw Hex Large Coach Screw, Bi-Metal Self Drilling Screws Hex (SS304+CS) Hardened with EPDM Washer, DIN 7505 Chipboard Screws White Zinc Pozi Drive Self Drilling Wood Screws and so on.