The outer layer of wind-pressure rib plate and the inner layer of corrugated board which formed a stable framework to be able to offer the powerful stiffness to withstand strong wind and earthquake.

• 外层抗风环向压型肋板、内层连续大波纹板，横竖肋形结构形成稳定框架，提供强大的刚度以抵御强风和地震作用。