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Shanghai Donsun Welding Group is a group company who specializes in R&D and manufacturing various kinds of welding & cutting equipments. The company covers an area of 100,000 square meters and a building area over 50,000 square meters in Shanghai China. The Company is the independence innovation brand in Shanghai Equipment & Hi-tech industry. With its efforts, the company wins lots of rewards like [Shanghai High-tech enterprise", "Shanghai well-known trademark","consumer trusted brand"etc. Shanghai Donsun Welding Group is the commander ( host ) member of Shanghai hardware & mech-electron chamber of commerce and Shanghai MIG-MAG welding chamber of commerce. She is also the administrative member in Shanghai Welding Institute, Shanghai Welding Association and Chinese welding standardization committee. All of 21 series of welding products produced by Donsun are in line with national standards and industry standards both. Indeed, the quality (some of Donsun products) has already surpassed those standards. To ensure the quality supply, Donsun applies the whole product for CCC certification and possesses many national patents on its own research.. Accompanying by the cooperation with the well-known science universities like Shanghai Jiaotong University, Tongji University & Haerbin Industrial University, Donsun will continue to supply high-tech brand-new welding products to the world. Our Sales Teams and friendly customer support personnel with many years of personal experience in the metal cutting and welding industry would attend to your queries and provide solution to your technical problems. Doing business with DONSUN, your WELDING FRIEND.