Construction of the start-up area and comprehensive pipe gallery of Xiong'an New District of China Construction Second Bureau

clicks：5582022-05-31 16:23:57　source: 河北大山緊固件有限公司|沉頭內六角螺栓|鋼筋連接套筒|高強度螺母| 高強度螺栓|

China Construction Second Engineering Bureau Xiongan New Area start-up area EA1 (section NA10-NB5), EA2 (section NC5-NA11), NA10 (section EA1-EA2), EC2-1, EC3-1 integrated pipe gallery construction projects