1.Tube-tube sheet automatic tig welding machine 2.20 year experience 3.High quality assurance 4,Operates simple KHB12-80 Orbit tube/tube plate welding machineApplicationApplicable industriesPetrochemical, boiler, shipbuilding, atomic energy, aerospace, refrigeration, pharmaceutical, food machinery, etcApplicable scopeBoiler, pressure vessel, heat exchanger, etcApplicable productsPipe diameter ...