They are able to manufacture briquettes without the need for printing pallets. They only use concrete surfaces with a smooth surface. Our mobile designed walking briquette machines are designed in two different types, which press on the concrete or put pressure on a table and leave it on the concrete. NOVAL INC. It produces semi-automatic and fully automatic walking briquette machines capable of producing briquettes with capacities ranging from 1800-2000 pieces per hour.