Ka lebaka la tsebo e fumanoeng ka lilemo tse 20, HEBEI SANSO MACHINERY CO.,LTD e khona ho rala, ho haha le ho kenya ERW welded tube mill bakeng sa tlhahiso ea liphaephe ho tloha ho 8mm ho isa ho 508 mm bophara, ho li etsa ho latela lebelo la tlhahiso le botenya le litlhaloso holim'a litlhaloso tsa bareki.
Ntle le leloala le felletseng la li-welded tube, SANSO e fana ka likarolo tse ling bakeng sa phetisetso kapa ho kopanngoa ho leloala le nang le li-tube tse tjheselitsoeng: li-uncoilers, mochini oa pinch le oa boemo bo holimo, mochini oa ho kuta ka othomathike le mochini oa ho tjheseletsa, li-spiral accumulators tse otlolohileng, le mochini o pakang o ikemetseng ka botlalo.