Grand building material limited

Grand building material limited locates in Tianjin city - the steel headquarter of China. We are focus on supplying high quality of steel frame structures,Website:http://www.grandbuildingmaterial.com, corrugated steel sheets, sandwich panels, steel profiles like U, C, Z,H shapes. With our high quality of service, we have won customer’s trust, and built long term relationship. We are hoping to know you too, give us a chance, we can make life better.