SAMMY was founded in 2013 and is a high-tech environmental protection enterprise specializing in comprehensive management of mining tailings. We mainly provide services such as tailings filling system, tailings dry discharge system, mine water treatment system, and comprehensive utilization of tailings for mining enterprises. At present, there are six business segments and five subsidiaries, including complete sets of mining filling technology and equipment, tailings dry discharge and water treatment environmental protection equipment, research and development and production of new cementitious materials, research and development and production of water treatment environmental protection agents, comprehensive utilization of tailings, and project operation management.