... after-service 3,more than 50 years experience Product: Shaft coupling use for generator Material:Carbon steel, alloy steel, ... stainless steelCertificate: ISO9000,ISO14001MOQ:1PCSPayment:T/T and L/C are both OKDelivery:20-30days after receiving ... impeller, wind power spindle, heavy load gear, ship shaft, roller, tube-shaped forging, ring forging, and all kinds of abnormal forgings ...