Sunmart Technology Co., Ltd. was established in 2002. We are a high-tech enterprise, integrating research and development, production and sale. We commit ourselves to the modern power electronic technology in public security & fire control, field units, oil & gas, metallurgy, aerospace, rail transportation, oceanic vessels and other areas of development and applications. Our products: portable plasma cutting welding machines, portable digital inverter generators,and electricity magnetism heaters,which all sell well at home and abroad. We are an enterprise specializing in the sale and technical service of portable plasma welding and cutting machines. Our office is located in Shanghai, China. We have 7 years of machine trading & manufacture experience in China. We guarantee high product quality and reasonable price. You are always welcome to ask any questions from us to start