Cellulose Casing Collagen Casing Soy Protein manufacturer / supplier in China, offering China Factory Wholesale Edible Collagen Sausage Casing with Free Samples Available, 15mm, 16mm, 17mm. 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 32mm Caliber Collagen Sausage Casings for Breakfast Sausages, 5-Layer Nylon Plastic Sausage Casings for Frankfurters and Semi-Dry Sausages and so on.