Guangzhou Jiuzhiyu Stage Truss co.,Ltd |
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JY-B300 Square bolt truss Model: JY-B300 Size: 300*300mm Type: by bolt/screw Material: aluminum 6082 Main: 50*3mm Standpipe: 25*2mm Brace tube: 20*2mm Rverage loading: 47.5kg/m The largest safety span: 12m