... 4.ISO9001:2008 Applied in electronics, semiconductor, automobile industry---Machine Parts We are just a factory in Wuxi, China, maufacturing ... the production of related tooling clamps. The products are widely applied in electronics, semiconductor, automobile parts and other industries. Well ... mark:OEM 3.Dia.600mm max. 4.Length:1000mm5.Grade:45#,carbon steel,Cr12,stainlesssteel,65Mn,dc53,NAK80,NAK55etc ...