... carbon steel , ss 3.black powder coating 2013 Hot steel metal furniture tube bending Haiyan Hongtai Metal Products Co.,Ltd. Wecan produced ... ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping , turning,tube bending, welding, milling, CNC lathe…4) usage of ... -13646737163Tel :86-0573-86887878 Fax :86-0573-86887758 2013 Hot steel metal furniture tube bending