Assoc. Dr. Sommai Phewsa-ard, President of Rajamangala University of Technology Thanyaburi and Mr. Somchai Sawangpattanakul, Chairman of Thai Natural Hiruddin Co., Ltd. signed a cooperation agreement to conduct research and development of leeving technology. and research on hirudin extracts from leeches to develop innovative health products on February 21, 2023 at the Mongkol Ubon meeting room, RMUTT. Thanyaburi