Niumasi Coal Mine (simplified Chinese: 牛马司煤矿; traditional Chinese: 牛馬司煤礦; pinyin: Niúmǎsī Méikuàng), new name Niumasi Mining Co., Ltd. (牛马司矿业有限公司; 牛馬司礦業有限公司), is located in Shaodong, Shaoyang City, Hunan Province of China. It is a county-level state-owned enterprise directly under the provincial government, and has a history of more than 200 years outputting quality coal to produce coke.[1] [2] [3]