The Lanna Resources Public Co., Ltd. engages in the production and distribution of coal products. It operates through the following segments: Domestic Coal, Overseas Coal, and Ethanol. The Domestic Coal Segment includes the purchase and sale of coal. The Overseas Coal segment consists of the production and sale of coal. The Ethanol segment refers to the production and sale of ethanol. The company was founded on October 4, 1985 and is headquartered in Bangkok, Thailand.