China-Places.com listou aprox 223 empresas dentro Mudanjiang. Alguns dos mais bem avaliados empresas dentro Mudanjiang estão- Dongning Tianma Company, Dongning Jixiang Real Estate Development Co. Ltd., Dongning Huigong Real Estate Development Limited Company, Dongning Huayu Real Estate Development Co. Ltd., Suifen River Guyuan Mineral Water Co. Ltd. Dongning Sales Agency, Dongning Yuquan Economic and Trading Co. Ltd., Mudanjiang River Yanye Company Dongning Company, Grupo Dongning Hualong, Dongning Cement Limited Company & Dongning Integrity Pawn Co. Ltd..