... 2.OEM manufacturer 3.Export to JP 4.ISO9001:2008 Mass production machining block We are just a factory in Wuxi ... for EDM : 0.002mm 6.Angle clearance:R0.03mm Item Mass production machining block Material Steel ,Stainless steel, Iron ,Aluminum, Brass ... control We have a stringent quality check at every level i.e. In-coming, in-process and the out going state ...