Assoc. Prof. Dr. Warakorn Limbut, a deputy director of TAB-CoE joined and presented the research in topic of “Nano Spray HOCl cleaner” in the opening ceremony of Southern Thailand Science Park, Songkhla on 24 September 2020. This opening ceremony of “Southern Science Park Administration Building, Songkhla” was honorably opened by Her Royal Highness Princess Maha Chakri Sirindhorn with many special guests and attendees, including Professor (special) Dr. Anek Laothammatas (Minister of Ministry of Higher Education, Science, Research and Innovation), Asst.Prof.Dr. Niwat Keawpradub (Rector of Prince of Songkhla University), Head of government, Professor and staff from Prince of Songkhla University.