[Mining method]: Open pit mining and underground mining method

[Introduction]:

The mine body has a small extend and thin in thickness, generally 20-35m. The ore body has a complex shape, and changing a lot in lay of the mine and thickness. It results in a irregular shape of the upper part of the flat mining ground, and a small size of the deeper part mining ground flat.

[Mining method]: Shrinkage method and sublevel drilling and stope mining method

[Introduction]:

The mining area was located in the northeast of Hengduan Mountain in northwest Yunnan province, a southern part of Qinghai-Tibet snowy plateau. The high terrain of the northwest, southeast low. Before the renovation, the mine adopted pit mining method. And the mining methods were shrinkage method and sublevel drilling and stope mining method.

[Mining method]: Shallow hole method and segmental mining method

[Introduction]:

According to the different mining conditions, Xinhai designed different mining methods for different ore sections.