... Tolerance:005-0.10mm 3.Rohs 4.welcome inquiry China manufacturer cnc metal machine turning part service Haiyan Hongtai Metal ... Products Co.,Ltd. Wecan produced by your drawing, samples or description. 1) material: Carbon steel , galvanized sheet, ... stainless steel 304 ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping , turning,tube bending, welding, ...