On behalf of Thai Cement Manufacturers Association (TCMA), Khun Phattharawan Sukkantahrak, Executive Director and Khun Mongkon Pornchunchoovong, Working Group TCMA on Sustainability extended well wishes and sincere thank you for the support of Khun Thana Suwattana, Director of Office of Research and Development, Royal Irrigation Department (RID), Ministry of Agriculture and Cooperatives in the period of his retirement. |