... we specialized in Briquetting Equipments, including Charcoal/Biomass Briquetting Machine, Wood Pellet Machine, and associated equipments that are Straw Crusher, Drying Machinery ... of national patents including Invention Patent: 200,810,218,916.9, Utility Model Patents: 200,820,202,965.9, Design Patents ... : 200,830,215,987.4 and this ...