brass copper precicous turning machined clamp part 1.steel , alu, ss304,brass 2. yellow zinc plated 3.ISO9001-2008 brass copper precicous turning machined clamp part 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) ...