... Straw Crusher, Drying Machinery etc.2.We have more than 9 years experience of manufacturing Biofuel Briquetting Machine; we have ... including Invention Patent: 200,810,218,916.9, Utility Model Patents: 200,820,202,965.9, Design Patents: 200,830,215,987.4 ... -30%Form of Finished ProductCylinder ¢8mmDensity of Product 0.9-1.4g/cm3Caloricity of Product3500-5500 kilocalorieThe Operation Procedure of ...