GQYE LAB DIGITAL LABORATORY.

Acid hydrometers; Aerometers; Ammeters; Data processors; Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Electrical inductors; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Hygrometers; Instruments for measuring length; Measuring and control devices for air conditioning technology; Surveying machines and instruments; Temperature indicators; Voltmeters