... steel Q235 2. black powdercoating 3. construction hardware 2013 Hot sales metal construction brace,connector brace,metal bracket Haiyan Hongtai ... treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping , turning,tube bending, welding, milling, CNC lathe…4) usage ... 86-0573-86887878 Fax :86-0573-86887758 2013 Hot sales metal construction brace,connector brace,metal bracket