Gearbox, Reducer, Sprocket manufacturer / supplier in China, offering Heat Treatment Diameter 1.2mm~100mm, Tolerance: 0.002mm Drive Shafts for Automobile, Transmission Shafts Fuel Oil and New Energy Automobile Parts CNC Drive Shaft Pinion, High Precision Carbon Steel Stainless Steel Material Axle Shafts Spline Gear Shaft for Auto Parts and so on.