... , CNC machining, CNC boring and milling machine, and CNC surface grinding machineMaterial:steel, ironProcess: Mold-making,Clamping,Pouring,Cooling,heat treatment,Removal ... contact us and submit requirements by post and email. Tel:0086-411-82778268Fax:0086-411-82778368Attn:Mr. Alex/ Ms. Sophia steel welded parts ...