(愛妃精選)亚洲国产成人久久综合一区77_日韩中文字幕在线有码视频网_在线播放中文字幕第一页_亚洲AV无码无在线观看红杏_亚洲AV小说在线观看_一级二级三级片在线播放_91黄色香蕉视频_亚洲经典另类一区_午夜美女福利电影_无码人妻日韩激情视频

Another retractable roof system fabricated and installed by Jinggong steel has been put into debugging stage, which will be the largest retractable roof system stadium in China, with the area of 12350㎡,and the trolley system researched and developed by Jinggong steel provides effective guarantee for the retractable roof system in complex environment.

Retractable roof system is becoming more and more popular, as it is energy saving in reducing lighting and ventilation, and not influenced by bad weather to ensure the games go on smoothly.

Jinggong steel has become the leader of the domestic large-scale constructions of retractable roof stadiums, and it has built Nantong stadium, which is the first retractable roof stadium in China, Dongsheng stadium, Kunshan tennis stadium and other large retractable roof stadiums.

JINGGONG STEEL INTERNATIONAL

Oct 25 ,2013