... standing 4.withstand severe weather span width:30m length :100m (20 bays, 5meters each bay)eave high: 4mtop high: 9mmain aluminum ... courtyards etc. as they can make the maximum use of space.4.Winter stability: Clear span marquee withstand higher wind speeds ... 1403, Block B, Yuhua Building,No.196 zhenghua RD,Sanddun Industrial Park of Xihu DistrictHangzhou,Zhejiang,China 310030Factory manufacture base in ...