Flexible Metal Hose, Expansion Joint, Metal Bellow Forming Machine manufacturer / supplier in China, offering High Performance Hose Fitting Welding Machine Welding for Hose, Collar and NPT Male/Female, Stainless Steel Pipe Joint Welder Flexible Hose Fitting Welding Machine, High Precision Fitting Welding Machine Is Used for Flange, Pipe End and Various Joint Welding and so on.