general material maching parts screw processing part nonstandard parts material:steel or other harden ... 82778268Fax:0086-411-82778368This is a metal machining machine component, screw processing part. It is machined as per buyer's ... , and CNC surface grinding machineMaterial:steel, ironProcess: Mold-making,Clamping,Pouring,Cooling,heat treatment,Removal,Trimming,drilling etc.Surface:SmoothSpecializing ...