FQFD Durable and Trouble Free Durum Wheat Semolina Purifier Wheat Flour Mill Purifier through methods of vibrate, wind, sieve, with small inclination of sieve surface and the sieve covering set gradually sparse from the materials in way to materials out way, to make the material in the screening surface is flowing and thin gradually, half suspended state fluid. This makes it grade automatically according to the different bulk specific gravity, thus form different materials level with unobvious line.
