Cellulose Casing Collagen Casing Soy Protein manufacturer / supplier in China, offering Collagen Sausage Casings for All Types Air Drying&Frying&Cooking&Smoking Sausages, High-Performance 50mm Collagen Casing for Industrial Meat Processing, Factory Direct Sales Colored Pink, Blue, Yellow, Green, Brown, Red, Transparent Plastic Sausage Casings for Spicy Sausage / Frozen Hotdog and so on.