... can take sawdust, wood, rice husk, coconut shell & other woody material into briquette, which can be used in boiler, heating & warming. ... in BBQ. Production process1. Crushing the raw materials into size no bigger than 5mm. (wood, wood branch, coconut shell, peanut shell, rice husk ... , sunflower husk).2. Dry the crushed materials to 8-12%.3. ...