CNC machined parts machining service 1.mild steel,sst,Al. 2.Supply OEM services 3.10 years' experience in metal stamping CNC machined parts machining service Haiyan Hongtai Metal Products Co.,Ltd. We can 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 ...