... .Certificate:ISO 9001 CNC welding machine parts 1.Material:Aluminum alloy, Stainless steel , Carbon Steel,Brass ,Lucite, Bakelite etc.2.Precision accuracy:0 ... .010-0.005μ3.Certificate:ISO9001:2000 ASTM RoHS4.Production Equipment:CNC,Milling Machine,CNC Lathes,Lathes,Sawing ...