... the fuel which is made through grinding, pressing, increasing density with stalk and solid waste as raw material, for example: ... After forming the straw charcoal, the fuel boast smaller size with greater weight, high burning rate , easy to store and ... 0.9-1.4g/cm3Caloricity of Product3500-5500 kilocalorieService CommitmentWith strong technical force, sound management system, and first-class sense ...