MAS.MAS was established in 2003 and is headquartered in Chongqing. It currently operates multiple subsidiaries and employs over 600 staff members. MAS specializes in the research, development, design, production, marketing, and operational maintenance services (ITSS) of integrated monitoring, surveillance, and early warning technologies and equipment for safety applications. To date, MAS has secured 46 invention patents, 32 utility model patents, 60 scientific and technological achievements, and 313 software copyrights. Key products include: Underground Personnel Precision Positioning System for Coal Mines, KJ1585 Coal Mine Vehicle Management System, Intelligent Integrated Control Platform, KJ619 Coal Mine Gas Extraction Monitoring System, Coal Mine Integrated Automation System, Industrial Wired Network Transmission System, KJ73X Coal Mine Safety Monitoring System, Domestic Sewage Treatment System, and Urban Gas Pipeline Network Safety Monitoring System.