Conveyors are used to transport various types of boxes, bags, pallets, and other goods. They can transport single heavy materials or withstand large impact loads. The roller lines are easy to connect and filter, and can be combined with multiple roller lines and other conveyors or special machines to form a complex logistics transportation system, completing various process requirements. The roller conveyor has a simple structure, high reliability, and is easy to use and maintain. Roller conveyors generally include frames, legs, drive mechanisms, and guides.