Theassembly line of biomass charcoal machinesis the most advanced and automatic in the world, which combines all procedures of charcoal-making, smoke-gathering and recycling,electricity-generation and chemical-abstraction into one automatic production line. Its raw material is agricutural and forest rubbish, like wood sawdust,bamboo sawdust,straw,wood shavings,branches,wheat stalk,corn stalk,sorghum stalk,rich husk,etc.It requires a factory of about 832,500 square meters. Daily output :1210 tons of charcoal,860000 kw.hs electricity,and 605 tons of wood tar. Total investment requires RMB 1.5 billion,with yearly profit of RMB1.6 billion.Its large scale of production and high economical return are incomparable in this industry of the whole world.