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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 large, without any requirements for the material’s moisture. Not sticky not plugging, capacity less, small noise, little dust, low energy consumption, cover small area, maintenance convenient and simple; 3. Equipped with automatic hydraulic concession device, it can effectively prevent damage when iron, wood and flexible objects enter in the teeth roll normal work; 4. Equipped with intelligent remove device, can use working condition interval automatically remove adhering material of the machine chamber wall. Our machine can crush coal,soft coal, gangue, lignite, peat , the Sinter, coke,slag, the limestone, shale and so on.