1,CE & ISO approved 2,Strict quality and self-design 3,Column and boom , with safety device, heavy type 4,Anti-fall Features for column and boom/ welding manipulator:1. The column and boom are manufactured with cold-formed welded type structure. After the annealing process and finish machining, they possess fine rigidity and strength. 2. To ensure safety, the boom lifting device uses a ratchet- ...