Nanjing Huiming Instrument Co., Ltd. is a high-tech enterprise engaged in research, development, design, production, and sales of instruments and meters. The company mainly engages in high-end products in the fields of meteorological instruments, industrial instruments, measuring instruments, etc., with characteristics such as high precision, high reliability, networking, wireless, and intelligence. Among them, wireless temperature, humidity, air pressure and other sensors used for on-site observation have reached the international advanced level, and their accuracy far exceeds that of internationally renowned brands; The leaf area index detector (plant canopy analyzer), eight and a half digit resolution process instrument calibrator, and other products are the first of their kind in China and have reached the international advanced level of similar products. Some products were exhibited and demonstrated at the 2010 Shanghai World Expo and received high praise from the audience. The company's main products include: HM-AWS2 IoT automatic weather station, TRAC-II leaf area index detector (plant canopy analyzer), HM-VT process instrument calibrator, NX-DM seven and a half digit multimeter, HM-RT1 wireless router, HM-RT2 wireless router, HM-CO1 wireless coordinator, HM-CO2 wireless coordinator, HM-CC1 wireless data acquisition communicator, HM-CC2 wireless data acquisition communicator, HM-DC1 meteorological data communicator, HM-HS IoT meteorological mobile phone, HM-HC1 on-site monitoring device, HM-HD2 on-site display device, HM-T1 wireless temperature sensor, HM-TS1 wireless soil temperature sensor, HM-WT1 wireless thermometer, HM-TS2 wireless inspection thermometer, HM-ST1 wireless standard thermometer, HM-H1 wireless humidity sensor, HM-WH1 wireless humidity meter, HM-SWH1 wireless standard humidity meter, HM-TH1 wireless temperature and humidity sensor, HM-TH2 wireless temperature and humidity sensor, HM-STH1 wireless standard temperature and humidity meter, HM-TS2 HS2 remote wireless temperature and humidity monitoring system, HM-AP1 wireless pressure sensor, HM-P1 wireless pressure sensor, HM-SAP1 wireless standard pressure gauge, HM-WP1 wireless pressure gauge. The company has always adhered to the concept of supporting high-precision and cutting-edge technology, independent innovation, quality first, and integrity-based service to serve its customers. The company focuses on joint development and has close cooperative relationships with well-known domestic and foreign institutions such as Nanjing University of Information Science and Technology and the University of Toronto in Canada. Our company's products are exported to countries such as Australia. The company uses top of the line measuring equipment such as 5720A calibrator, 8508A digital multimeter, 7080 standard constant temperature bath, 8000 standard pressure source, SHR humidity generator, 100S1 solar simulator, wind tunnel, as well as temperature, humidity, wind, pressure, and precipitation detection, measurement, and calibration equipment. It conducts tests using vibration, impact, transportation, salt spray, rain, high and low temperature wet and hot low pressure test chambers to ensure product quality.