1.making carbon rods 2.energy saving,high quality 3.easy operate 4.new finished mechanism charcoal 5.more ... , high pressure, so molding (without any additives) carbonization into carbonization furnace (self-built kiln), become the new-model Finished Mechanism Charcoal. The ... , carbon rods must do. In addition depends charcoal equipment, process, quality of the rod, but also depends on the size of ...