I will sell fuel briquettes, Poltava region.

RUF briquettes are made in the form of bricks, suitable for most stoves and burners. Birch flour, pre-dried, is pressed into briquettes without additional binders. RUF briquettes are packed in p/et packs of 12 pieces. The weight of one pack is 10 kg.
Briquette size: 150x100x60mm.
Composition: birch dust 100%(//tractor-service.com)
Heat output: 4800 kcal/kg.
Humidity: up to 8%
Ash content: up to 0.7%
They are used in any types of boilers, fireplaces and stoves.