... safely. Longer burning time than common charcoal, 2:No additives,high density totally ... package:10kg/ctn HONGQIANG CHARCOA INDUSTRY LIMITEDSquare sawdust charcoal 1: made of 100 % bamboo or mangrove ... wood 2:machine made charcoal without any chemical 3:low ash,high calorific ... 1500ctns,40ft about 2500ctns Sawdust-briquette from extruder machine at first.Then been carbonized to ...