Gear Reducer, Gearbox, Speed Reducer manufacturer / supplier in China, offering Widely Used SWC-Wh Type Universal Coupling Standard Welding Cardan Shaft Without Telescopic, SWC - Wh Type Without Telescopic Universal Coupling Welding Universal Joint Coupling for Propeller Shaft, SWC-Bh Type Universal Joint Coupling Shaft Cardan Shaft Coupling for Transportation Machinery and so on.