... 20 years experience 3>Many designs 4>factory price 5>through TS16949 certificate 1.Size ... fittings, nc machining precision partsSuitable materialsSteel mold, HSS, tool steels,Carbon steel, stainless steel, aluminum,iron, engineeringProcessing equipmentCNC machine, machining center, grinding machine ... double-sided grinding machine,2 sets of automatic tube bending shrink mouth machine, and a professional ...