Collagen Casing, Soy Protein Isolate Powder, Bamboo Skewers manufacturer / supplier in China, offering 20mm 21mm 22mm Superior Quality Sausage Production and Wrapping Collagen Sausage Casing, 15mm 16mm 17mm Caliber High Quality Edible Beef Collagen Sausage Casings Custom, 27mm 28mm 30mm Caliber Natural Animal Collagen Artificial Edible Collagen Sausage Casing and so on.