| 1. | Shade systemstm products are designed and manufactured to the most exacting specifications by skilled craftsmen , and certified by professional engineers for structural soundness of designs 树荫系统产品被譬为最耐用和最稳固设计之固定帐篷,结构被设计符合2002国际建筑条例的要求( ibc ) ,和以下标准规格 |