High frequency induction machine: 1.Portable 2.Less weight,noise,maintance 3.Reasonal price 4.Manufacturer ... welding,carbide saw blade welding,diamond saw blade welding,core drill bit welding and so onMetal tube welding:such as cooper ... jointsCarbide saw blade welding:diamond saw blade welding,diamond core drill bit,diamond grinding wheel ,woodworking saw blade welding,cut grass ...