Assoc. Prof. Dr. Warakorn Limbut, TAB-CoE deputy director, along with the administration team and researchers from Faculty of Science, Prince of Songkla University, was attended a press conference “The success of PSU in developing COVID-19 test kit and Nano Spray HOCl cleaner” with the cooperation between Prince of Songkla University and partner companies on Monday 28 December 2020, 1.00 pm at the SEA SUN Room, LG Floor Southern Thailand Science Park, Songkhla. For Nano Spray HOCl cleaner, it was reported that HOCl has the efficiency to kill bacteria and pathogens such as H1N1 pandemic strain, E. coli, Salmonella and mold. Moreover, this device can be used to clean equipment, materials, or areas for both inside and outside.