... 3. good quality HT-05 Weld eye bolts ,welding machine bolts,stud bolt welding Production Description Haiyan Hongtai Metal Products Co.,Ltd.We ... sheet,stainlesssteel2) surface treatment:Zinc , powder coat, hot-dip galvanized,blackening, electroplate…3) machining Process:Stamping , turning,tube bending, welding, milling, CNC ...