Shandong Crown Collagen Casing Co.,Ltd was established in 2011,with key machines imported from Germany,USA and Poland.We use high quality collagen fibers derived from bovine hide with our patent technology to produce collagen casings,collagen paper and collagen gel for Co-extrusion line .Today we have 38 drying lines with production capacity of 720million meters annually, now we are exporting collagen casings to more than 20 countries and regions, like South Korea,Thailand,Malaysia,Russia,Ukraine,Brazil,Argentina,Paraguay,Bolivia,Colombia,USA etc.