China National Building Materials & Equipment Corporation (CNBM International) was established in 1985.Wth the development of more than twenty years, CNBM International is listed among the top 500 enterprises of international trade companies. HOT ROLLING COIL(Q215-235A, SS330, SS400, Diamond plate)COLD ROLLING COIL(SPCC) (Q195)GALVANIZED STEEL COIL (SGH340):