Founded in 1999,Shanghai Rongyi Welding Corporation is a professional manufacturer of inverter welding machines and cutting equipments in China. Covering 120,000 square meters, our plant is located in Industrial Park at the suburb of Shanghai. Our products are widely used in construction industry, installation industry, ship industry, auto industry, vessel industry, garage, machinery manufacture, farm and family, etc., and have received favorable remark in domestic and abroad market. After more than 20 years' development, we have established a full range of business scope, including R&D, manufacture, sale and service. Approved by ISO9001 and CE,we supply advanced products and service for industrial companies to family unit on a global scale. The products reliabilty and best service is our guiding principle.