... .MOQ: 1 unit 4.Warranty : 1 year Whiteness Test Meter Model: WSB-3AA & E Lab.Main Products: ... Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, Incubator, shaker, Hotplate, Mixer, PCR, ... Fish Balls (paste),etc² Paper making industry: Paper Factory (paper/sheet), Printing Factory (paper/sheet), Publishing Company (paper/s heet), etc² Textile ...