... .Strict quality control 3. ISO9001-2008 metal deep drawing part/sheet metal forming part Production Description Haiyan Hongtai ... Metal Products Co.,Ltd.We can produced by your drawing, samples or description. Can be customized OEM1) material ... galvanized sheet, stainlesssteel 304 2) surface treatment:Zinc , powder coat, hot-dip galvanized,blackening, electroplate…3) machining Process:Stamping , ...