Tianjin Dingchengli International Trading Co.,Ltd is specialized in steel line for many years.Our main products are galvanized steel pipe, welded pipe , scaffolding pipe, square & rectangular tube, conduit pipe, sonic tube and other steel products.
We have our own factory Tianjin HengJi Steel Pipe Co., LTD. Our factory has over 300 employees include 30 professional technical personnel. we have past through the ISO:9001-2008 international quality system authentication.We have three galvanized production lines and 16 welded pipe production lines now.