... ALIBABA 2.Strict quality control 3.ISO9001-2000 Support clamp,super clamp,grounding clamp-(ISO9001-2008) Haiyan Hongtai Metal Products Co ... steel , galvanized sheet, stainless steel 304 ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping , turning,tube bending ... 13646737163Tel :86-0573-86887878 Fax :86-0573-86887758 Support clamp,super clamp,grounding clamp