Applicable to all types of boxes, packages, trays and other goods, bulk, small items or irregular items need to be on the tray or in the swing box transport. Able to transport a single piece of heavy material, or bear a large impact load. There are various types of structures, and the Raceway lines can be divided into power Raceway lines and turning transfer Raceway lines according to the driving mode. According to the layout form, they can be divided into horizontal transmission Raceway lines, tilt transmission Raceway lines, and turning transmission Raceway lines. Roller conveyor can also be specially designed according to customer requirements to meet the various requirements of various customers.