Beautiful scenery of the southern city of old times - Hangzhou, Zhejiang Province, with a unique geographical advantages, developed traffic network, improve 
 Infrastructure, and carries out a large number of outstanding private enterprises. Hangzhou An old steel and aluminum building materials Co., Ltd. United States is one of the most outstanding 
 One star. 
 On the U.S. long steel and aluminum construction materials in Hangzhou is a company specialized in building maintenance system for steel production and product sales, to provide steel structure building 
 System solutions company. Our main products are: magnesium manganese plate, floor boards, standing seam roof, steel bearing plates, antique color steel glazed tiles, 
 PU polyurethane composite panels, C / Z section steel and so on. The company's products have passed ISO9001 international quality management system certification, national recognition test center fire 
 To certification. 
 An old U.S. company with high quality products, affordable prices, solid service and integrity and responsible attitude to meet all guests.