Beijing Xing Gang Physical Equipment Co., Ltd. is a diversified company, founded in 1992, focusing on the R&D, design and production of welding machines and auto-darkening welding helmets. Our welding machines consist of TIG, MIG, MMA, multi-functional, submerged welders and plasma cutters, such as: ZX7 series DC TIG/MMA welding machines, AC/DC pulse TIG/MMA welding machines, NBC series CO2 shielded welding machines, SUPER series AC/DC TIG/MMA/CUT welding machines, and MZ series automatic submerged arc welding machines. Besides, we bring out safety products of auto darkening--X501,X601...