... than 50 years experience Product: Shaft coupling use for generator Material:Carbon steel, alloy steel, stainless steelCertificate: ISO9000 ... of castings and forgings such as turbine impeller, wind power spindle, heavy load gear, ship shaft, roller, ... in such domestic industries as wind power, chemical engieering, machinery, automobile, vessel, power station, metallurgy, mining, and petrochemical ...