11 February 2025: CMAN DMAN volunteer employees, led by Major General Nattapond Kongsompong, Vice President, Community and Government Relation, Chememan PLC, joined forces with government and private organizations, as well as volunteers from the community, to collect over 2 tons of trash in the "Cave through Cave" project. This event aimed to restore the beauty of the cave and prepare for the community's ecotourism route during the annual "Cave through Cave" Festival in Kaeng Khoi-Mueang Lek for 2025.