Rotating eye rings 1,material:45#,Ck45 2,certificate:ISO9001:2000 3,make ... drawing or samples 4,non-standard carbon steel Rotating eye rings by hot forging1,material:45#,Ck452,certificate:ISO9001:20003,make ... , automobile, shipbuilding, pumping, pipeline engineering, pheumatic & hydraulic engineering, hardware, fastener and general machinery.The forging parts can produce as your drawings ...