... , cast iron powder, etc;3) The briquettes made by the machine is widely used in daily life, for example: heating,cooking ... ,BBQ,etc.Advantages:1) The type Charcoal Briquette Making Machine have two larger rollers in a fixed position in the ... ).3) The 2 roll moves towards opposite direction, they together compress on the materials,then briquettes produced.Main technical data: Model850Capacity1 ...