... parts 2,Material: stainless steel&copper 3,Machined CNC precision machining milling and turning part Haiyan Hongtai Metal Products Co.,Ltd. Wecan produced ... ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping , turning,tube bending, welding, milling, CNC lathe…4 ... :86-0573-86887878 Fax :86-0573-86887758 2013 CNC precision machining milling and turning part