60W XH-C Stepless Vortex Mixer / Test Tube Shaker Lab Mixers 0~2800 RPM 220V

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Buying link:https://www.aliexpress.com/store/product/60W-XH-C-Stepless-Vortex-Mixer-Test-Tube-Shaker-Lab-Mixers-0-2800-RPM-220V/1422139_32557284295.html