... 1.making carbon rods 2.energy saving,high quality 3.easy operate 4.new finished mechanism ... carbon.Part one Dry raw materials:To ensure the quality of the charcoal, carbon rods must do. ... In addition depends charcoal equipment, process, quality of the rod, but also depends on the size ... system of rods). In order to ensure that the density of carbon stipends, smooth surface, no obvious cracks. ...