 BALLERUP, Denmark, March 15, 2021 PRNewswire -- LiqTech International, Inc. NASDAQ: LIQT, a clean technology company that manufactures and markets highly specialized filtration products and systems, will report financial results for its fourth quarter and fiscal year 2020 ended December 31, 2020 on Thursday, March 25, 2021 before the market opens. The Company has scheduled a conference call that same day, Thursday, March 25, 2021 at 9:00 a.m. 