1.environmental friendly 2.safe to use and inflammable 3.low cost, high output 4.usage:fuel,BBQ Material: The source of material is wide,could be coconut shell, peanut shell, stalk shell,corncob,sawdust and so on, wood shavings, bamboo crumbs ,sawdust,and rice hulk is the best of all.advantage of machine-made charcoal :high density,low ash content, no smoke ,no smell, no pollution, safe and ...