metal Sofa hardware connector 1. mild steel,sst,Al.etc 2.Press type:6ton-200ton 3.10 years' experience in metal ... stamping 2011 furniture joint metal Sofa hardware connector Haiyan ... stainless steel 304 ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping , turning,tube bending, welding, milling, ...