CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering DIN 976 A4-70 Full Thread Stud Bolts Threaded Rod with Hex Nut and Washer, Heavy Duty Truck Parts Auto Wheel Stud Bolt Hub Bolts, ASTM ASME/ANSI B 18.31.2 Double Thread End Stud Bolts Threaded Rods and so on.