PHT International was founded in Charlotte, NC in 1993 by Mrs. Li Hong Yu. PHT International began as a chemical trading company specializing in textile and dye intermediates. After several successful years, PHT International broadened its product base to include agricultural and pharmaceutical products as well. In order to keep up with an ever-changing industry, PHT International migrated from a trading only company to a one-stop full service chemical provider complete with R&D, procurement, l...