(3) CO2 gas welding equipment semi-automatic CO2 gas shielded arc welding equipment consists of welding power supply, gas supply system, wire feeder and torch and other components. (2) SAW devices. Submerged arc welding equipment from power, submerged arc welding machine [1] and the auxiliary equipment constituted. Its power can be AC, DC or AC-DC and use. Automatic submerged arc welding machine and semi-automatic welding machine into two categories. ① semi-automatic submerged arc welding machine. ② automatic submerged arc welding machine. Plastic welding equipment - Huashi welding welding equipment, Huashi welding, soldering equipment - Huashi welding provided by the Huizhou City Huashi Welding Equipment Co. Huizhou City Huashi Welding Equipment Co., Ltd. (www.hwashi.com) strong, credible, in other industries in Huizhou, Guangdong has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Huashi welding into the brilliant and you work for a better future!