... JP 4.ISO9001:2008 Applied in electronics, semiconductor, automobile industry---Machine Parts We are just a factory in Wuxi, China, ... or Carbon Steel2.Head mark:OEM 3.Dia.600mm max. 4.Length:1000mm5.Grade:45#,carbon steel,Cr12,stainlesssteel,65Mn,dc53 ... and assured and can provide English test report9.Machine:Forged machine, Heat treatment Equipment, Drawing machine, etc10.Mould: We open by ourself11. ...