... :Q195-Q345,X42-X70,10#-45#,etc mild steel trading companiesProfessional manufacture and seller of the erw steel pipe ... Western Europe Eastern Asia More detailed information: mild steel trading companies Outer Diameter10.3-609.6mmWall Thickiness1.73-17. ... 20 days . Company informationWe, Tianjin Zhongtian Haoyun International Trade Co., Ltd. was founded in 1990, is a professional enterprise, specialized ...