horng shin is a taiwanese pioneer in solid state high frequency welding systems. the company's solid state high frequency welding machines come in power specifications ranging from 100kw to 800kw for sealing cracks on metal pipes with thickness ranging from 0.2mm to 16mm. compared with vacuum welding systems, solid state models conserve 20% to 30% more electricity as well as are safer, stable and output efficient. due to its easy use and light size, the company's machine has been popular among furniture, bicycle, sporting-goods, lighting, oil-pipe and water-pipe manufacturers.