Shanghai WTL Welding Equipment Manufacture Co.,Ltd is a professional welding machines manufacturer. We have about 9000sqm plant and about 300 employees. Our main products include Stick, Tig, Mig/Mag, submerged arc welders, And widely used in nuclear, ship building, press container, petrochemical industry, architecture, pipe installation, and so on. We got the certification of ISO9001 quality management system as well as the CCC and CE approval.