QuieTek ***** offer a variety of professional product and service including:EMI, EMS, RF , safety and SAR testing, RCB certification service, chamber and instrument products, and electronics manufacturing service. Quietek chamber department main business:1.chamber & system integration serviceshielding room(box), chamber desigh/installation/calibration/performance correction (anechoic chamber, pre-test chamber, antenna pattern chamber, OTA chamber)and equipment maintenance servic