$DASAN Zhone Solutions (DZSI.US)$In the past 5 years, in add...

$DASAN Zhone Solutions(DZSI.US)$In the past 5 years, in addition to a slight decline of 2% in 2020, revenue increased for 4 years. Both operating profit and net profit entered the loss range in 2019, and losses continued to expand. Currently, there is no investment value.