Recently, CIEE, a subsidiary of CIE, and Hunan Dongfang Mining Co., Ltd. (hereinafter referred to as "Dongfang Mining") jointly held a signing ceremony for the joint development and application of comprehensive disposal technology of manganese residue.

CIEE will take this opportunity to strengthen cooperation in the R&D of key core technologies and technology promotion by focusing on the strategic direction of "development of low-cost comprehensive disposal technology for manganese residue and core equipment", so as to jointly promote the development of comprehensive disposal technology for manganese residue in China, and contribute to the comprehensive treatment of pollution in the "Manganese Triangle" region.