Self-balancing multistage centrifugal pump MD280-65X7 (P) (flow: 280m3 / h, head 455m) is used in Xiangmei Group Zixing Industrial Co., Ltd. It replaces the old-fashioned multistage pump and has achieved very obvious energy-saving effects in operation, and has been praised by the mine.

Hunan Coal Industry Group Co., Ltd. (referred to as Xiangmei Coal Group) is a large provincial state-owned wholly-owned enterprise approved by the Hunan Provincial People's Government. It’s one of the top 50 coal enterprises in the country, and it’s the main platform for energy security in the province as determined by the provincial government and an enterprise that focuses on supporting accelerated development. The company was established on June 19, 2006 and now has 37 wholly-owned and holding subsidiaries. It spans three provinces (regions) of Hunan, Guizhou and Xinjiang, with a total of 60 coal mines and a total designed production capacity of 30 million tons per year.