 BEIJING, Aug. 18, 2021 PRNewswire -- ReTo Eco-Solutions, Inc. NASDAQ: RETO ReTo or the Company, a provider of technology solutions for the improvement of ecological environments, today announced that the Company, through its wholly owned subsidiary ReTo Mingsheng Changjiang Environmental Building Materials Co., Ltd., has entered comprehensive construction stage of a new iron tailings project the Project in the Hainan Province. 