Cellulose Casing Collagen Casing Soy Protein manufacturer / supplier in China, offering Stable No Breaking Cellulose Sausage Casing, Color Stable No Breaking Collagen Sausage Casing, Chinese Manufacturers Produce Low-Priced Customizable Yellow/Green/Blue/Brown/Red/Transparent Plastic Sausage Casings with 20mm,30mm,40mm,50mm,60mm,70mm Caliber and so on.