... service 3,more than 50 years experience Product: Shaft coupling use for generator Material:Carbon steel, alloy steel ... advanced payment DeQian Hangzhong Forging Co., Ltd. with more than 50years forging experience, Our annual output ... impeller, wind power spindle, heavy load gear, ship shaft, roller, tube-shaped forging, ring forging, and ... factory. Hope we can cooperate with each other in not long future.