welding machinery 1.obtain CE UL TUV ,CCC,EMC 2.cuts ,welds ... pipe repair Portable, Multifunctional, Easy to use Refrigeration Industry and Heating systemSuch as: air-conditioner Maintenance & Installation, casting pipe Repair Fire ... , etc.* also be used for cutting, welding, soldering, melting, local heating, burning of perforations, coating, fusion, cleaning, prevention of corrosion, recycling ...