Is Qiuci Coal Mine in Xinjiang an open-pit coal mine?

There is no Qiuci coal mine in Xinjiang, which refers to Qiuci mining area located in Kuche County, Aksu Prefecture, Xinjiang, and belongs to underground coal mine. Open-pit mining is a process of extracting useful minerals from open-pit mining sites, which has the advantages of high mining intensity, large production capacity, good working conditions, strong adaptability and low cost of mineral products.