... 2.OEM manufacturer 3.Export to JP 4.ISO9001:2008 Stainless steel board racks We are just a factory in Wuxi, China, maufacturing of ... for EDM : 0.002mm 6.Angle clearance:R0.03mm Item Stainless steel board racks Material Steel ,Stainless steel, Iron ,Aluminum, Brass and etcMaterial standard DIN ,ASTM, JIS ...