... crop like saw dust, corn stalk, wheat stalk, cotton stalk, rice straw, rice husk, peanut shell, corncob, bark, leaves, industry waste. After ... ?A green fuel with high energy, which raw material is straw, stalk, bark, industry waste, ect, crushed & pressed.The ... be used as fertilizerApplication area of charcoal: (the market of straw charcoal)can replace firewood, raw coal, liquefied gas, widely ...