... , Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, ... Neutral packing / OEM / ODM.Introduction1.Vacuum drying oven designed for drying heat-sensitive and easily oxidized substances, especially ... powder or granular samples, and effectively reduce the drying time, which is used in biopharmaceutical, medical ...