20G方矩管168×12 20G 5850
20G方矩管219*8 20G 5900
20G方矩管219*10 20G 5900
20G方矩管273*8 20G 5900
20G方矩管273*10 20G 5900
20G方矩管325*10 20G 6000
20G方矩管377*10 20G 6000
20G方矩管406*8 20G 6800
20G方矩管89*4 20G 5800
20G方矩管89*6 20G 5800
20G方矩管108*4 20G 5800
20G方矩管133*5 20G 5800
20G方矩管159×5 20G 5800
20G方矩管168×6 20G 5850
20G方矩管168×8 20G 5850