Henan Dayou Energy Co., Ltd engages in raw coal mining activities in China. It is also involved in washing, processing, and wholesale of coal. The company offers long flame, coking, lean, washed, and gas coal for use in various industries, including chemical, power generation, industrial boilers, and power plants. It also provides coal transportation services; technical and consulting services; water intake, water supply, and heating services; and equipment and house leasing services, as well as engages in domestic and foreign trade activities. The company was formerly known as Nanjing Xinwang Telecom Tech Co.,Ltd and changed its name to Henan Dayou Energy Co., Ltd in 2010. Henan Dayou Energy Co., Ltd. was founded in 1998 and is based in Yima, China. Henan Dayou Energy Co., Ltd operates as a subsidiary of YiMa Coal Group Co.,Ltd.