... CE Passed. 3.3years warranty. A & E Lab HK.Major Products: Hotplate,Stirrer,Stirrer Hotplate,Melting ... Heater,Vortex Mixer,Cold Keeper,Mixer Incubator, Rocker, Shaker, Roller Mixer, PCR,etc.Applications:Model AOS-1 ... and speed range of 30 to 300rpm. These lab scale shakers have powerful shaking but with smooth ... are two models for this type of the shaker: Both of them are microprocessor controlled. The ...