... -standard metal hanger clamp,metal clamp for pipe,universal pipe clamps Production Description Haiyan Hongtai Metal Products Co., ... description. Can be customized OEM1) material: Carbon steel , galvanized sheet, stainlesssteel 304 2) surface treatment:Zinc , powder coat ... , hot-dip galvanized,blackening, electroplate…3) machining Process:Stamping , turning,tube ...