Technical Drive for National Prevention And Resumption With cumulative service reaching 347 million times, CETC’s “One Network for All”big data analysis system is widely praised and popular upon release. The system plays a critical role for national epidemic prevention and work resumption progress.To implement the requirement of supporting Beijing’s Industry news 2021-08-25 C17 AH P90 Prorecelain Capacitors AH is an EIA Class I Positive TC, P90Porcelain dielectric having a dielectric constant that increases withtemperature (90ppm/°C) giving Established Reliability; Low Noise and High Self-resonance. A new, improved,TCC (temperature coefficient of capacitance) figure of 0± 20ppm/ ºC at +175°C Industry news 2021-08-25