Changzhou tongchang electric equipment co., LTD., was founded in 1994, which is a leading enterprise in the field of welding, cutting new products and new technology research. We integrates science, industry and trade with modern standard workshop which has nearly 6000 square meters. We specializes in the production of air plasma cutting machines, air plasma cutting accessories, our production quality and quantity are among the forefront of the industry. Our professional production are CNC flame plasma cutting machine, intersecting line cutting machine, laser cutting machine and tongchang series patent plasma cutting electrode nozzle and other cost-effective consumable products.