Shanxi Ruiyang Coalbed Methane Co., Ltd. is a state-owned holding company specializing in R&D, construction, production of low- and medium-concentration gassin, and technological innovation and industrialization of liquefaction. 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: Production of liquefied LNG and compressed CNG from oxygenated coalbed methane.

　　Shanxi Ruiyang Coalbed Methane Co., Ltd. was established on March 9, 2011 with a registered capital of 72.15 million yuan. ) and Sichuan Dakote Energy Technology Co., Ltd. jointly invested and established. The low-concentration gas enrichment technology for coal mines is developed by Sichuan Dakote Energy Technology Co., Ltd. It represents the most advanced level at home and abroad in terms of safety, advancement and economy. It has created a precedent for the research and development and application of low- and medium-concentration gas in the country and even in the world. It is the first industrial device that uses "low-concentration gas enrichment technology in coal mines to produce compressed natural gas (CNG) and successfully operates". Demonstration.