Forging Parts, Casting Parts, Machining manufacturer / supplier in China, offering Customized Metal CNC Machining Flexible Jaw Sliding Coupling, Customized Nylon PP Plastic Injection Gears Bevel/Crown/Worm/Helical Sprocket/Spur Gears, OEM Carbon Steel Galvanized Screw Full Thread Bolt Threaded Rod for Fastener and so on.