... double-screw extruder with forcible cooling system to extruder and form.1. wood plastic door panel machineryThe woode plastic ... used in drilling, planing, nailing, sawing, jointing, printing and other construction method. 2.Because of its green environment protection ... of floor, guard bar, tray, packing cases, partition board, window and door sheath, skirting line, etc. ModelSJSZ51/105 SJSZ65/132 ...