On 1 October 2019, Mr. Wachirasakdhi Nisakarasen, the Department Manager of Public Relations, represented Chememan PLC in the donation of 40,000 Baht to the improvement of public health of Tubkwang 2020 to develop knowledge and skills in the field of public health. The event was between 2-4 October 2019 at Kanchanaburi and Ratchburi. More than 300 people attended this event. Mr. Sommai Dangprasert, Tubkwang Mayor together with the committee received the donation at the Tubkwang District Meeting Room.