Belt conveyer conveyor, bue to its advanced structure, easy maintenance, low cost and general-purpose application, is widely used tocontinuously convey various bulk-cargo and piece goods in many industries, such as energy, traffic, building materials, chemicals, coal, metallurgy, etc. According to the technical requirement ， it convey as a single unit ， it also can assemble with other conveyers that can meet different requirements.Belt conveyer work normally in the enviroment that temperature from -20°C to +40°C,temperature that convey materials is below 50°C.