... 8#) of Ningbo Solar Power Co., LTD covers a building area of 30622 square meters. What’s more, it ... the Prefabricated(pre-engineered) Steel Building,Space Frames, Portable Cabins, Tubular Steel Structures,basic building elements(built-up welded H ... other steel structure projects such as industrial plant/workshop/factores, airport terminal, highrise building,bridge,commercial center, exhibition hall, ...