independently developed products, multi-core particulate matter sensors, online dust particle counters, dust concentration sensors, oil fume sensors, atmospheric dust concentration detectors and multi-channel particle size spectrometers. the technology is internationally advanced, and can achieve import substitution, providing downstream enterprises with core components, and are used in environmental protection, industrial environment, catering fumes, laboratories, clean rooms, factory workshops and other places that require particulate matter concentration monitoring, and have been exported to more than 20 countries. shenzhen honeyiger technology co., ltd., gas detector, gas alarm, dust concentration detector and 5 commercial companies 30 strip
