Shanxi Ruiyang Coalbed Methane Co., Ltd. jointly established by Sichuan Dakot Energy Technology Co., Ltd., Shanxi Yangmei Group and Shanxi Guorui Energy Investment Company adopts the world's leading coal mine developed by Sichuan Dakot Energy Technology Co., Ltd. After a year of construction, the gas enrichment technology was started and debugged on August 30, 2012, and qualified products were produced on September 10, achieving a successful start-up. All indicators reached and exceeded the expected targets. Detection: CH4 content ≥96%, O2≤0.1%, other indicators are in line with national CNG product gas regulations.

This is the first coal mine gas deoxygenation and enrichment demonstration device built and put into operation by our company. Its successful start-up marks that the "low-concentration coal mine gas deoxygenation and enrichment methane" technology independently developed by our company has entered industrial production. The company's strong research and development capabilities in overcoming global scientific and technological problems provide an effective model for enterprise scientific and technological innovation.