Vice Chairman of the Indonesian Chamber of Commerce and Industry Coordinator for Human Quality Improvement, Research and Technology and Innovation, Carmelita Hartoto chaired the Kadin Mineral and Coal Downstreaming Working Group Audience with the Deputy for Downstreaming the Ministry of Investment/BKPM, Heldy Satrya Putera, at the Office of the Ministry of Investment/BKPM Jakarta, on Thursday, (22/6/2023).