On 26 October 2022, representatives of Thanawat Inter Starch Co.,Ltd by Thanawat Group joined charities for cosmos planting project to promote Chaiyaphum province tourism at Huai Som Poi Reservoir, Tha Kub, Sap Yai district in Chaiyaphum province. The event led by Mr.Sophon Suwanrat, Chaiyaphum Governor.