... steel 2 process equipment:CNC machining center, CNC turning 3 precision:0.01 Turning machining part cnc1.Ningbo Junhua machinery co.,ltd ... OEM offered. 2.Our product process we can offer are rough casting, machining, Surface treatment, Surface finish. 3.We have ... , sand casting, gravity casting, low pressure casting), 3.machining (CNC turning,CNC milling etc)4.surface treatment (We have owner plating ...