1.Apply to low hardness brittle materials 2.Large particles to break 3.Reasonable Design GF series multistage teeth roll crusherCharacteristic Feature:1. GF series teeth roll crusher have three series: 2 PG, 4 PG, 6 PG, one machine can complete the thick, medium and fine crushing, namely " one machine make more crush";2. Compared with other types of crusher, this series crusher Crushing ratio ...