... best price 2,good after-service 3,more than 50 years experience Product: Shaft coupling use for generator Material:Carbon steel, alloy steel ... Co., Ltd. with more than 50years forging experience, Our annual output is 150,000 ton steel forgings. Our main production equipment ... as turbine impeller, wind power spindle, heavy load gear, ship shaft, roller, tube-shaped forging, ring forging, and all kinds of ...