Chongqing Yunda Technology Co., Ltd was founded in 1993. It is a comprehensive private company incorporating the research and production, sales and service of engine driven welding machine, inverter welding and cutting machines. We are the only engine driven welding machine manufacturer of the top 50 welding machine manufacturers in China. We are appointed supplier for construction companies of China Railway, CNPC, and SINOPEC. We also supply welding generators, engine driven work station, pipeline self-protection welding machines and so on for wild work without power source. We are president unit of Chongqing Welding Institute, national high technology enterprise, possessing of 19 national technology achievements and 30 proprietary technologies.

Our company is located in the western municipality city Chongqing Nan'an district Changjiang Industrial Park, with 25000M2 factory area and 3 advanced automatic assembly lines. We have gathered a lot of excellent talents, among which more than 60% are R&D and market services staffs.

The 12 antipodal power technology invented by Yunda has the advantage of low consumption, energy saving and light weight. The use of "external characteristic curve dynamic scan inverse signal feedback automatic control technology" and "flux feedback self compensation control technology" have won excellent welding dynamic response under full currency and full voltage. The accumulation of wild work experience makes sure our welding machines can work in different severe environment.

Now we have 9 offices in China and nearly 100 sales and service centers. Our sales and service have reached every district of China, and our products have covered all the fields of shipbuilding, furnace, petrol, chemicals, railway, construction, electricity, steel structures, etc. With our global joint guarantee plan, our customers can get our comprehensive, convenient and fast after sales service and support in more districts all around the world. Our products have been exported to more than 50 countries and districts including Europe, America, Africa, Oceania, Middle East and Asia.

The development of Chongqing Yunda aims to create value and solve problems for customers and establish long term strategic partnership. We have kept close cooperation with the biggest users of different fields, developing customized welding equipments to help customers to overcome welding difficulties. We also train welding workers for customers to improve their work efficiency. We are devoted to create excellent enterprise culture and top rank team so that we can serve our customers in a higher level and repay the society.