Automatic Welding Manipulator (Welding Column and Boom) 1) Automatic root pass, fill, and cap pass Automatic Welding Manipulator (welding column and boom)Suitable for industries of: OIL AND GAS, REFINERY FACILITIES, OFFSHORE &SHIPBUILDING, POWER PLANT.Reference: CCC, L&T, PEC, Rotary Engineering, Petrol Steel, CNPC, SINOPEC, CNOOC, CNCEC, etc.Features:1. Automatic root pass, fill, and cap pass2. ...