The company mainly engaged in: Sugar Meter, salinometer, cutting fluid concentration, methanol cryoscope, ethylene glycol concentration, ethanol concentration, honey concentration, electrolyte hydrometer, moisture meter, pH meter, pH meter, refractometer, refractometer, cryoscope, battery fluid densimeter, mining emulsion density meter concentration meter, wine, Soybean Milk concentration meter, brake fluid tester, soil pH, conductivity meter, TDS, ORP, sweetness, sugar, sugar, sugar refractometer. Angle instrument, dispensing, area measurement instrument.