Overpressure Trapezium Mill,also cold Overpressure T-type Mill Grinder,or T-type Mil is mainly used to grind a variety of ores and chemical raw materials and other non-metallic raw materials,such as Iron ore, coal, stone, blast furnace slag, power plant desulfurization agent, boiler injection coal, lime, feldspar, quartz, gypsum, barite, limestone, ceramics, slag …