Pucheng chemical transport the dedicated thermal expansion of thick-walled steel pipe and accessories - Our company specializes in the production of thermal expansion of steel pipe, spiral steel pipe, high-frequency welded pipe, the annual distribution of the posterior wall of Baotou Steel, Tianjin Steel and other steel seamless steel pipe large favorably, I plant sided submerged arc welding process, in North China's leading technical staff of 35 people, thermal expansion pipe equipment unit is a unit imported from Germany, the error is small, precise scale. Welcome to come to visit and negotiate. Tel 18331786134 Fax 0317 -6083098.