1. Silent machine: This new test sieve adopts silica gel below the screen body to decrease the shake.
2. High efficiency machine: This machine adopts new specialized power producer that could produce polynary high-frequency vibration to reach to high-efficiency screening.
3. Timed machine: This test sieve sets a timer for some special screening according to different material in same time so as to keep the screening precision.
4. Clean machine: This machine was made of stainless steel or as the clients' requirements, which could ensure the screening reach to a high hygienic standard.