second-rate
1973shandong nuofang electronic technology co., ltd.-dust concentration sensor, dust particle counter, particle size spectrometer, oil fume sensor, particulate matter sensor, dust concentration detector, dust alarm sensor •suzhou casement window •shandong nuofang electronic technology co., ltd. is a research and development enterprise with 53% of r&d personnel and authorized 103 intellectual property rights, including 43 chinese invention patents and 19 international invention patents; it has been rated as a national specialized and new "little giant" enterprise, high-tech enterprise, provincial gazelle enterprise, provincial science and technology leading enterprise, etc. shandong nuofang leads particulate matter sensors, online dust particle counters, dust alarm sensors, oil fume sensors, dust detectors and particle size spectrometers. it has internationally advanced technology and provides core components for downstream enterprises. it is used in environmental protection, industry, catering fume, laboratories, clean rooms, factory workshops and other places to monitor particulate matter concentrations. •detector-qingdao bixi environmental protection instrument co., ltd. •qingdao bixi environmental protection instrument co., ltd. is an enterprise specializing in the production and sales of dust detectors, infrared oil measuring instruments, hydrogen chloride sampling guns and other instruments. based on preferential prices, excellent quality, fast delivery time and comprehensive pre-sales consultation and after-sales service, the company provides customers with high-quality products while allowing you to fully feel the professionalism and focus of modern enterprises. •china general agent-berfier •sulfur dioxide detection module-intelligent ozone sensor-shenzhen weilianan technology co., ltd.