... (0086-797-5745599 MSN: productionTechnical Parameter of laboratory Screen and standard screenPrimarily for coal, electricity, mining, geological, chemical, metallurgy, ... and flexible jacket and so on. Machine equipped with 200 standard sieve, sieve shaking frequency of 221 beats / min, the vibration hit ... screen (copper net, stainless steel nets)20020-2000.5 lab shaker/ning Equipment ,Sizing Equipment