NUOYING

Automatic valves; Surveying instruments; Thermistors; Temperature transmitters; Pressure recorders; Pressure indicator plugs for valves; Concentration meters; Temperature sensors; pH meters; Temperature switches; Flowmeters; Viscosimeters; Level indicators; Liquid level sensors; Instruments for measuring length; Pressure transmitters; Pressure sensors; Level switches and level indicators for monitoring and controlling liquids in tanks and vessels; Digital pH meters; Densimeters; Oil level sensors; Flow switches for monitoring and controlling the flow of gases or liquids; Pressure transducers and transmitters that convert hydraulic or pneumatic pressure into analog electrical signals for monitoring and controlling hydraulic or pneumatic systems; Level measuring machines; Level switches for monitoring and controlling liquids in tanks and vessels; Pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; Microsensors for measurement of pressure, acceleration, force and flow, namely, silicon piezoresistive pressure sensors; Electronic components, namely, piezoelectric switches; Differential switches; Pressure measuring apparatus; Flow meters; Water level indicators