About 6000 years ago, the Sumerians discovered a pleasant drink beer, which became popular all over the world. In order to maintain the unity of beer flavor, freshness and quality, the membrane filtration process needs to firmly control microorganisms, organic matter, clarification and better vision. Hangzhou Dali has more than 20 years of development and manufacturing experience, combined with the microbiology and validation services provided by the laboratory, to ensure the stability and efficiency of the products.