... , after heat treatment and cnc machining process. It is used as a part of oil drilling.We, UN.TeX ... can supply various machining parts, nonstandard parts, including screw processing, grinding, pricision machining, cnc turning, punching & etc, as per ... casting, CNC machining, CNC boring and milling machine, and CNC surface grinding machineMaterial:steel, iron, brass, bronze, copper, stainless steel and ...