... . black powdercoating 3. construction hardware 2013 Hot sales metal construction brace,connector brace,metal bracket Haiyan Hongtai Metal Products Co.,Ltd. Wecan produced by ... description. 1) material: Carbon steel , galvanized sheet, stainless steel 304 ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping ...