Protein containing collagen mainly exists in skin, pig's trotters, beef tendons, bones and so on.

Collagen casing is made of collagen fibers from bovine and porcine dermis, which is used to prepare egg casing for Chinese and western enema. Color: translucent beige. Shape: seamless tube, no hole.

Edible collagen casings can be used for raw sausages, cooked/smoked products and dry/semi-dry products. Good taste, uniform diameter and compressive strength more than 4 times that of natural casing. Easy to use, suitable for industrial production, not only can improve the filling speed of the product, but also can make the product have a stable output, extend the shelf life of the product to a certain extent, and has incomparable advantages over natural casings.