1. low cost 2. high quality 3. easy to operate The main equipment:1. Pulp- ... pulp-flowing box, consisting of pyramid tube, staircase diffuser, distributing roller and box body. Staircase diffusion orifice plate pulp distributor is ... , moisture absorbing box, and vacuum water-absorbing box, vacuum roller, wire-driving roller, electrical wire-tighter, pneumatic corrector, constant-tension wire-tighter ...