biomass briquette machine 1.CE, SGS, ISO 9000 2.Briquette diameter:4-30mm 3.high density biomass briquette 4. easy operate biomass briquette machine 1.Our biomass briquette machine (Patent NO:200720157337.9 ) with ... , cotton stalk, weeds, crop straw, paper, plastic, cocopeat, bran, home wastage, factory reject and so on. Our briquette machine can also make feed ...