Coupling, Shaft Coupling, Gear Coupling manufacturer / supplier in China, offering Gl Kc Chain Coupling Kc5018 High Pressure Carbon Steel Shaft Coupler with Spline Design for Construction Equipment, Gripper Type Clamp Shell Coupling 56 58 Non-Stand Custom CNC Machining for Gearboxes, Rotex Gn Gfc GS28 14 19 24 38 42 55 High Torque Plum Coupling for CNC Transmission Shafts & Encoders and so on.