| 主营项目： |
具体规格有: 钢带:0.2-3.0 * 20-300 圆 管:9, 12, 14, 16, 18, 19, 19.7, 22, 25, 27, 30, 32, 38, 42, 46, 48, 51, 57, 60, 63, 76, 89, 101 方 管:11*11, 12.7*12.7, 16*16, 19*19, 20*20, 25*25, 30*30, 38*38, 40*40, 50*50, 矩形管:20*10, 15*30, 23*11, 25*13, 33*21, 38*25, 25*50, 2 |