... certificate adopted the techonology from Germany( KAHL )13 years ago. And our patent--Taper Shape Rollers reduce the friction between flat ... to press biomass briquette, such as wood briquette, straw briquette, and so on. 2. For SKJ3- Series straw briquette machine, we ... , crop straw, paper, plastic, cocopeat, bran, home wastage, factory reject and so on. Our briquette machine can also make feed from ...