wenziyoung sina com Electric tube H.F. welding equipment belongs to H.F. welder, designed for steel tube straight induction weld, used in lines of H.F. steel tube welding and H.F. welding H # steel. GP series tube H.F. welding equipment adopts vacuum tube as the key element, single chip system as core, forming the intelligent control system of voltage regulate, oscillate, protect, with the strength of simple and stable circuit, convenient testing etc. wenziyoung at sina dot com |