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The main coal types has: long flame coal, non-stick coal, weak coal, lean coal, lean weakcoal, gas coal, coking coal, with "three low three high" characteristics, known as "natural clean coal".
Long bituminous coalCoal products
weakly caking coalCoal products
Lean coalCoal products
Meager lean coalCoal products
Non-caking coalCoal products
Middle caking coalCoal products
Gas coalCoal products
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