... and ISO 3.Lower price high qualit soybean protein extrusion machine soybean protein extrusion machine process line1.fully automatic ... easy operation2.double screw extruder3.soybean meal,soy bran as materialsoya protein extrusion machine ... can, seasoning, ham, meat, cooking, etc.texture vegetarian soybean protein machine flowchart:1.Flour mixer 2.Double screw extruder ...