Product Description The main transformer adopts high-quality silicon steel sheet and compelling water cooling circulation system, featured of high output power and low consumption. High-quality cylinders and air valves guarantee the reliable and stable running of pneumatic system. New generation of simple and reliable digital controller. New type single chip processor controller can be equipped as well. Applicable for part welding with the thickness ratio of 1: 6 or above, especially for irregular parts welding such as access cover, screen cloth, pipe shell, T-shaped and "+" shaped parts. The welding replacement of thin and medium part structure greatly improves the working efficiency.,