Coal Division:
Ⅰ northeast area; Ⅱ North District; Ⅲ northwest area; Ⅳ South China; Ⅴ Yunnan Tibet; Ⅵ Taiwan
Coal scale:
Large ore (reserves: lignite, low bituminous coal, coking coal are greater than 200 million tons; lean coal, anthracite are more than 1 billion tons)
In the mine (reserves: lignite, low bituminous coal, coking coal are 0.5 to 2 million tons; lean coal, anthracite are 500 million to 1 billion tons)
Small ore (reserves: lignite, low bituminous coal are less than 0.5 million tons; lean coal, anthracite are less than 500 million tons)
Coal type:
1.Lignite
2.Low rank bituminous coal (including long flame coal, non-caking coal, weak caking coal)
3.Coking coal (including gas coal, fat coal, coke and lean coal)
4.Lean coal, anthracite
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