Zhejiang Fengan Biopharmaceutical Co., Ltd. has built a 50,000 square meters of production base, which is equipped with modern production plant with different purification levels, as well as various advanced production equipment and testing instruments, including biochemical extraction and separation equipment, freeze drying machines, automatic bottle washing machines, etc.. Now, we annually can produce 5 tons of chymotrypsin, trypsin, pancreatic kininogen and 10 tons of chitosan oligosaccharides. We also have a perfect cold chain transportation system. Our main product "Fuketuo" owns the domestic and even the world's leading technical level and production process.