Induction Heater, Solid State Hf Welder, High Frequency Welding Machine manufacturer / supplier in China, offering 100kw High Efficiency Solid-State Hf Welder for Steel Pipe Making with CE, Solid State High Frequency Low Carbon Steel Tube Welding Machine 500kw, High Frequency Solid State Induction Welding Equipment 500kw for Tube Making and so on.