On 26 September 2021, Mrs. Areewan Chaloemdan, Chief Operating Officer of High Voltage Equipment, and Mr. Chaloempon Sricharoen, the Executive Director of Gunkul Engineering Public Company Limited, represented the company in delivering 1 unit of an oxygen concentrator to the Community Isolation Center at Plai Bang Municipal School, Wat Sunthonthammikaram, Bang Kruai District, Nonthaburi in support of their fight to contain the spread of coronavirus.