... 7#,8#) of Ningbo Solar Power Co., LTD covers a building area of 30622 square meters. What’s more, it’ ... Steel Structures,basic building elements(built-up welded H-section , hot-rolled H-section, channel, steel column, steel beam),standard frames, ... projects such as industrial plant/workshop/factores, airport terminal, highrise building,bridge,commercial center, exhibition hall, stadium and the like. ...