(marketscreener.com) Letter to Stockholders Dear Stockholder: This past year was a challenging one for us, with economic issues still negatively impacting our sales in China, and the temporary production suspension of Renacidin® irrigating solution. Late last year, our contract manufacturer of Renacidin...https://www.marketscreener.com/quote/stock/UNITED-GUARDIAN-INC-5138979/news/United-Guardian-FY-2023-Annual-Report-to-Stockholders-46504943/?utm_medium=RSS&utm_content=20240423