Shanghai Tianhao Industrial Co., Ltd. has signed a strategic cooperation agreement with Shaanxi Construction Steel Structure Co., Ltd. in Xi 'an on July 1, 2021.

According to Chongming news, recently, the "pilot" shield machine has broken through 2,100 rings, from Chongming to Taicang in Jiangsu province more than 4,200 meters, is under the Yangtze River Coilia national aquatic germplasm resources conservation area.

Recently, Jinan Huanggang Road through the yellow tunnel after the festival to speed up the construction progress, Jinan Huanggang Road through the yellow tunnel has been excavated nearly 1500 meters, it is planned to achieve the end of 2025 through the tunnel, in September 2026 open to operation.