... carbon steel , ss304 2.zinc plated 3.ISO9001-2008 2012 High quality Metal machine shaft cover (ISO9001-2008) Haiyan Hongtai ... stainless steel 304 ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping , turning,tube bending, welding, ... products: Furniture fitting, construction hardware , telecom , auto, machine…5) terms of trade: FOB ,CIF6) terms of pyment: T/ ...