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With the increasing competition in the market, the survival of the fittest, the survival of the fittest will become the inevitable trend of structural adjustment of the welding machine industry. Some welding enterprises in the competition to grow and develop, and even develop into a large group; some companies will face bankruptcy, or mergers, acquisitions, and thus withdraw from the welding industry. But whether it is from the current production ratio of the development trend of welding machine, or from the welding machine technology development point of view, China's welding machine in the future will be efficient, energy saving, mechanical and electrical integration and complete development. Arc welding equipment: arc welding equipment is a wide range of welding equipment. Arc welding equipment from the degree of automation of the welder, manual welding machine, semi-automatic welding machine, automatic welding machine, robot welding machine, intelligent welding machine; from the nature of the power points, there are AC welding machine, DC welding machine, (Single-chip) control arc welding machine; from the use of points on the edge of the electrode arc welding machine, the welding machine, the welding machine, the welding machine, the welding machine, the welding machine, the welding machine, Gas protection welding machine, submerged arc welding machine. At present, China's arc welding equipment is gradually catch up and close to the international level, China's arc welding equipment production varieties, complete products. Current from 10 to 1250, from the size of the bag to the large submerged arc welding machine, from manual operation to intelligent welding robots have production; IGBT inverter and microcontroller control technology in arc welding equipment commonly used, and made more General-purpose controller, but the thyristor welder still has a stable market; CO2 welding machine, MIG welder more use of a pulse of precision control technology, so that less splash welding, weld forming more beautiful, welding quality is improved ; Digital welding machine developed by many research institutes, large enterprises attention, and get more manufacturers awareness and welcome; expert system, intelligent welding machine, welding quality monitoring and tracking system (such as arc length tracking, Arc welding robot, mechanical, optical, electronic weld tracking, etc.) is more and more popular. The arc welding robot plays a more important role in the production of automation, difficult and hazardous production environment. Arc welding equipment in the development process, the gradual strengthening of environmental awareness, soft-switching technology, welding equipment, electromagnetic compatibility, lead-free production, high-frequency protection , The electric shock protection device by many researchers, manufacturers, users of the attention; the vast majority of welding manufacturers through the ISO9000 quality system and 3C mandatory product certification, strengthen internal management, improve product quality, establish brand awareness and improve market competitiveness Has become the majority of welding equipment manufacturers conscious action.