Shanxi Ruiyang Coalbed Methane Co., Ltd. is a state-owned holding enterprise specializing in R&D, construction, production of medium and low concentration gas enrichment, liquefaction technology innovation and industrialization. The company is located in Shangqinshan Village, Leping Town, Xiyang County, Jinzhong City, Shanxi Province, covering an area of 37,844 square meters. Business scope: LNG and CNG production from oxygen-containing coalbed methane.

　　The company was established on March 9, 2011, with a registered capital of RMB 72.15 million. It is jointly invested by Shanxi Dadi Environmental Resources Co., Ltd. (formerly Guorui Company), Huayang New Material Technology Group Co., Ltd. (formerly Yangmei Group), Sichuan DKT Energy Technology Co., Ltd. The technology of coal mine low-concentration gas enrichment is developed by Sichuan DKT Energy Technology Co., Ltd., and has reached the most advanced level at home and abroad in terms of safety, advancement, and economy. This project has set a precedent for the research, development and application of low-concentration gas in China and even in the world. It is the first industrial plant that uses coal mine low-concentration gas enrichment technology to produce compressed natural gas (CNG) and successfully put into operation, which has a great demonstration effect on the control and utilization of coal mine gas in China.