Tianjin Zhongyantiancheng Steel Trading Co., Ltdis round steel , and stainless steel tube , and stainless steel Board , and stainless steel bar , and tools steel , and die steel , and alloy steel , and carbon knot steel , and seamless tube , and high pressure boiler tube , and alloy tube , and in the low voltage boiler tube , and nonferrous metals , and copper tube , and purple copper , and brass series , and aluminum profile , and aluminum tube , and aluminum bar , and aluminum Board , products professional production processing of limited responsibility company , company headquarters set in Tianjin Beichen District North warehouse road names Mall e seat 201 , Tianjin all Yan days into special steel trade limited has full , and science of quality management system . Tianjin Zhong Yan Tian Cheng special steel trade company of honesty, strength and quality get industry recognition. Welcome friends from all circles to visit Tianjin Zhong Yan Tian Cheng special steel trade company to visit, guide and business negotiations.