coal fine briquetting machine it can produce square,round,rod,ball and other various shapes hollow coal,honeycomb coal,charcoal coal fine briquetting machineit can produce ... square,round,rod,ball and other various shapes hollow coal,honeycomb coal,charcoal,etcFeature:1.no waste,no intermission,no noise2 ... .65T45-50PCS/MIN1.30*1.4*1.68m environmental protection coal fine briquetting machine