barbeque charcoal briquettes is a type of compressed charcoal cubes, that is made with a special combination of charcoal powder for certain woods such as coconut, orange and other materials. It also contains binding and improving materials for the ash so that it gives a thin layer of snowy white ash. It also contains other additives that improve quality, hardness and texture. This charcoal is made with a special press and dried in special ovens or in nature. Buyformula website will teach you the best method for making charcoal cubes with economic raw materials. Formulas are available in PDF format file, that described in technical English language.