On Thursday 10th September 2021, Thai Optical Group Public Company Limited (TOG) donated much needed two units of air purifiers to the value of THB 65,000 for the COVID-19 wards at Phachi Hospital, Phra Nakhon Si Ayutthaya Province. The air purifier donation was warmly received by the Senior Registered Nurse, Mrs. Nuttaya Prasertumpisakul.