Flour mill mesh is usually used for the grinding and screening of grain flour, it is the main auxiliary material for grain milling. the common material is silk, polyester, nylon. But now, nylon flour mill mesh has attracted the attention of the industry because of its long work life and good performance. In the market, the popular nylon flour screen includes three series: graded sieve screen PA-GG series, powder sieve screen PA-XX and PA-XXX series.