Cellulose Casing Collagen Casing Soy Protein manufacturer / supplier in China, offering Natural Color Collagen Casing Caliber 28mm Edible Casing Shirred, 16mm-55mm Caliber Artificial Collagen Casing with High Quality, Kosher Collagen Casing 24-30mm for Africa Market (HALAL & FDA, China Factory) and so on.