Cellulose Casing Collagen Casing Soy Protein manufacturer / supplier in China, offering Healthy Easily-Peeling Customizable in Various Colors Multilayer Polyamide/Nylon/Plastic Sausage Casings for Sausages, Caramel/Salmon/Pink/Brown/Natural Pure Natural Collagen Free Collagen Sausage Casings with FDA Certificates, 15mm, 16mm, 17mm. 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 32mm Caliber Collagen Sausage Casings for Breakfast Sausages and so on.