... systems 2.low noise&Time control 3.Mode:Continuous and Interrpitten laboratory Test Sieve Shaker Warmly welcom to visit Shanghai ... building materials, abrasive, food, medicine, chemical industry, metallurgy, feed and so on, with light weight, small size, high efficiency, energy ... of screen, is necessary equipment for laboratory, set sieve from 20-800 mesh and 1-8layers for your choice.Advantages ...