The roller is an important part of the belt conveyor, many types, large number. It accounts for 35% of the total cost of a belt conveyor, resulting in more than 70% resistance, so the quality of the roller is particularly important....

The drum is suitable for conveying machinery, mainly used in metallurgy, mining, port, chemical medicine, cement, building materials, steel, coal and other fields, is a variety of belt conveyor drive device....