Drum conveyor line: 1. As a high-efficiency, high reliability, convenient combination, and simple structure conveying equipment, drum conveyor line is widely used in various industries for the transportation of finished products, materials, sorting, and online operations; Commonly referred to as "drum line, roller line, roller line, roller axis line" and so on. 2. Roller form: unpowered, powered, accumulation type. The power drum line has various driving modes such as chain type, PU belt type, friction type, "O" belt type, electric type, etc; There are 30 °, 45 °, 60 °, 90 °, 180 °, "S" - shaped turning drum lines, as well as branching and merging mechanisms, automatic transfer machines, and special roller blind drum lines. Roller material: carbon steel galvanized, stainless steel, aluminum alloy, rubber coating, etc; Divided into flat straight, flat groove, and conical bend; Power rollers generally include: straight single-sided single chain wheel (groove), single-sided double chain wheel (groove), double-sided single chain wheel (groove); Precision bearings are used inside both ends of the drum.