国产成人禁片在线观看,精品国产99久久,国产欧美亚洲三区久久,日韩视频久久99天堂

Guigang stone field is located in the southeast of Guangxi Zhuang Autonomous Region. Guigang is the largest inland port in Western China, a national pilot city of smart city. The golden waterway of Xijiang River flows through the city, with Wuzhou in the East, Yulin and Qinzhou in the south, Nanning in the West and Laibin in the north. The project is built on the mountain with rich ore, surrounded by shrubs, which makes it difficult to transport and install. It covers an area of 2880 square meters. It can resist typhoons of M ≥ 10 and earthquakes of M ≥ 8. This project is designed completely according to the demand of quarrying, and large equipment and steel frame structure are installed at the same time.

Here are some pictures of the project

External steel frame