On the 30th, at COEX in Gangnam-gu, Seoul, a startup representative introduced a wireless buoy-type water quality meter at the startup Black Friday event 'IF (Imagine Future) 2020 GANGNAM.' / Reporter Hyunmin Kim kimhyun81@
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![[Photo] 'Water Quality Measurement, Now Smarter'](https://cphoto.asiae.co.kr/listimglink/1/2020103015494675009_1604040586.jpg)

