上海铸然供应链（集团）有限公司是华东地区一家集生产 加工 销售为一体的钢材有限责任公司，在钢贸行业内享有较高声誉，客户给予良好的评价。被评为“重合同守信誉”钢材营销企业”“世博工程钢材供应商”等。在上海钢材市场设有多个销售处。
Q345D槽钢尺寸表：
Q345C、Q345D 05#50x37x4.5x7
Q345C、Q345D 6.3#63x40x4.8x7.5
Q345C、Q345D 08#80x43x5x8
Q345C、Q345D 10#100x48x5.3x8.5
Q345C、Q345D 25B#250x80x9x12
Q345C、Q345D 25C#250x82x11x12
Q345C、Q345D 28A#280x82x7.5x12.5
Q345C、Q345D 28B#280x84x9.5x12.5
Q345C、Q345D 28C#280x86x11.5x12.5
Q345C、Q345D 30A#300x85x7.5x13.5
Q345C、Q345D 30B#300x87x9.5x13.5
Q345C、Q345D 16A#160x63x6.5x10
Q345C、Q345D 16B#160x65x8.5x10
Q345C、Q345D 18A#190x68x7x10.5
Q345C、Q345D 12#120x53x5.5x9
Q345C、Q345D 14A#140x58x6x9.5
Q345C、Q345D 14B#140x60x8x9.5
Q345C、Q345D 20A#200x73x7x11
Q345C、Q345D 20B#200x75x9x11
Q345C、Q345D 22A#220x77x7x11.5
Q345C、Q345D 22B#220x79x9x11.5
Q345C、Q345D 25A#250x78x7x12
Q345C、Q345D 18B#180x70x9x10.5
