... as per customers' requirement ApplicationsPetroleum ,power ,gas metallurgy ,papermaking ,chemical ,medical equipment ,avaiation ,boilerheat ,exchanger ,shipbuilding ,construction ,etcEndsplain ends or threaded ... painted Tachnicalhigh - frequency weldedIntroduction of company SINO EAST STEEL ENTERPRISE CO., LTD located in Tianjin Industrial Park ,Daqiuzhuang .we have extreme experience ...