| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | |-------------------------------------------------|-------|-------|----------------------------------------------|-------|-------|-------|-------|-------|-------| | | | | | | | | | | | | Nasdaq: NTIC | | | | | | | | | | | | | | | | | | | | | | Northern Technologies International Corporation | | | Fourth Quarter FY 2019 Investor Presentation | | | | | | | NTIC's environmentally friendly technologies deliver leading corrosion inhibiting products an ...