56 Pet food production line Machine line include Mixer,Extruder ,Air conveyor, Three Layer Oven, Seasoning Line. Pet ... food machine Line Name56 Pet food production lineTechnological processMixeràExtruderà Air conveyor à Three-Layer Oven à Seasoning LineNumber of ... Pet food production line is composed of mixed powder, twin-screw extruder, the wind sending machine, three ovens and flavored lines.