Bamboo charcoal flake can be applied in damp regulation in barbecue, cooking and construction, under bed, inside refrigerator and chest for sterilization, air purification and water purification. Bamboo charcoal flake can release the minerals when it is put in the drinking water. Besides, it can add more flavor if it is put in the cooker. Additionally, it can be applied in bathtub, fish jar and vase to intenerate water. Be famous as a kind of products that good for health. Water extract from the oven while burning can treat much kind of diseases. Moreover, the main part is charcoal use for backing food with a healthful smoke and high content of calorie. It also can be used in other applications. Standard grade: 1) Length: 8 - 10cm 2) Width: 1.5 - 3cm 3) Broken: 30% max. 4) Admixture: 1% max.