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In 2018, China's coalbed methane production was 5.4 billion cubic meters, and China's oil production was about 2 billion cubic meters, which dominated. Coalbed methane, also known as “coal mine gas”,

At the press conference held on November 7, the spokesman of the Ministry of Commerce spokesperson revealed that in the past two weeks, the leaders of China and the United States have properly resolve

1. Installation: Install the ground foundation of the ball machine, the unevenness is not more than 1/1000, and tighten the anchor nut after the machine is firmly fixed on the foundation.

Since 2009, China has changed from a coal exporting country to a major coal importing country. The coal import policy has gone through a process of “disliking” to “encouraging” and then “tightening” a

Recently, the Energy Bureau recently issued the “Work Plan for the Disaggregation and Disposal of Coal Mines of 300,000 Tons/year”. After three years, it strives to reduce the number of coal mines bel

Processing and distribution are more standardized. With the goal of ensuring market supply, stabilizing market risks and facilitating the masses, relying on provincial coal emergency reserve bases, la