... more than 50 years experience Product: Shaft coupling use for generator Material:Carbon steel, alloy steel, stainless steelCertificate: ISO9000,ISO14001MOQ ... production equipment are: one set of 3T hydraulic hammer, one set of 1600T hydraulic press,one set of 5000T hydraulic press, ... kinds of castings and forgings such as turbine impeller, wind power spindle, heavy load gear, ship shaft, roller, tube- ...