Hardwood Machine-made sawdust Charcoal technology originated in Japan, also known as the Sawdust Briquette Charcoal, mechanism charcoal, artificial charcoal, regenerated charcoal, smoke-free charcoal etc.., is the carbonaceous rods that extrusion processing by plant scrap, density is three times than Conventional charcoal, and the utility model has the advantages of completely replaced the it, which is an internationally recognized green products.