... , slip speed, safe, convenient, environmentally friendly, energy saving 1, the working principle of: hanging drying tunnel using far infrared ... Diameter size: width 1400mm × 1400m × length high-48000mm, cabinet type 1 units. Material: a, drying tunnel wall galvanized steel, thickness ... conveyor chain, b, hanging conveyor track, c, drive 1 set, d, 1 set of tensioning device. e, Meng steel forming curved ...