Serpentine hot wire TIG welding machine, welding machine for TIG+MIG, 76mm, Phi 32 Phi delta 4 ~ 16mm carbon steel, alloy steel, stainless steel pipe with small diameter straight long; X TV industrial TV timely inspection system for X ray diameter of 25 ~ 76mm small diameter tube butt welding; computer numerical control system the bending machine production line, automatic production line equipment is one of the world's most advanced serpentine pipe by hot wire TIG welding machine, pipe bending machine, bending machine at the end of the system, high sensitivity X ray industrial TV inspection system timely, is currently the largest and highest level of automatic serpentine pipe production line, used for boiler serpentine pipe row continuous bending pipe, the maximum length of 60m, tube maximum length 24m, width 4m, can achieve R/D = 1 R without mandrel.