... 4.Stable performance charcoal briquette machine:1. Charcoal briquette machine raw material: sawdust, crop straw, wood branches, rice hull, bamboo sawdust, peanut shell, sunflower shell, furfural dregs, cotton ... compressed into formed fuel products with high density and high calorific through charcoal briquette machine pressing and heating3. Use charcoal briquette machine no need to add any binder ...