Width: 1400 - 2500 mm. Work for 2 layer, 3 layer, 5 layer, 7 layer production line. Features: This section is the main beam of the 20th channel, I-beam, No. 16, No. 63 angle, columns, etc. connected together. sides have safety rails, ladder (with 8 small channel production), high-strength save people the word pedal, ensure the safety of personnel and easy to operate. pull paper shaft surface tension shafts, shaft, etc. by feeding grinding hard chrome plating. tension control vacuum suction duct 5 inches, plus regulating valves, air flow can be infinitely adjustable. Dual front bezel correction. oriented column positioning, screw driver, fast and accurate positioning, walking steadily.