Special supply:heat-resistant,explosion-resistant. It caontains: light-duty,middle-sized and heavy-duty. ... used in coal, mine, metallurgy,power plant, harbon, cement, chemical industry.Belt width: 0.8m/s, 1.0m/s, 1.25m ... : 1 set at leastDelivery time: Within 30 days, FOB, shippment. explosion-proof belt conveyor machinery for coal mining use