City University of Hong Kong (CityU) is a leading Asian and internationalized public research university in Hong Kong, China. As one of the eight tertiary institutions funded by the Hong Kong SAR Government, CityU is dual-accredited by AACSB and EQUIS, and is ranked 48th in the world by QS World University Rankings, with its electrical and electronic engineering ranked among the top 50 in the world (from Baidu Encyclopedia).

The order for lock-in amplifiers from the Department of Electrical Engineering of CityU is not only a sign of the superior performance and good reputation of Sine Scientific Instrument's lock-in amplifiers in the industry, but also a sign of the wide applicability and scientific significance of the lock-in amplifiers in the field of electrical and electronic engineering and other experiments. Sine Scientific Instrument is looking forward to cooperating with the City University of Hong Kong and other universities and research institutes in China and abroad.