... copper wire,aluminum wir Precision MOULD CORE and cavity insert manufacturing 1.OEM design&Machining 2.Software:CAD,Pro ... /E,UG,3D moldex 3.Machining:CNC,EDM,WEDM,Grinding Milling,Drilling,Polish ........................................................................................ ... are used,to prevent explosion.(2) Use ultra precision laser to drill the holl,to insurance the aperture ...