In March 2009, Top King Steel Co. Ltd, subsidiary company of Tianjin Dabojin Technology Development Group, was founded.
In July 2010, we make investment for 2 rolling mills in Tangshan City
In Decemeber 2010, we jointly established the R&D center to research and develop the full series of JIS, EN and ASTM standard section steel.
In January 2011, we establish steel deep processing plant.
In December 2011, we sign long term cooperative agreement with Tianjin TEDA Group, Tianjin Metro Group and Tianjin Urban Construction Group for section steel supply in domestic projects.
In 2012, we become CNPC Group, SINOMA Group, Lafarge Group and Holcim Group supplier for section steel and steel pipe in oversea EPC project.
In 2013, we sign long term cooperative agreement with BOLLORE (SDV), NECTRANS (GETMA), PIL, COSCO for international logistics service.
In 2013, we reach the annual sales quantity 85,000 ton.
In 2014, we ranked top 100 companies in Tianjin China for the export business.
In 2015, our annual sales quantity exceed 12,8000 ton.