Chongqing Mas Sci.&Tech.Co.,Ltd. engages in the research, development, design, production, marketing, operation, and maintenance of technologies and equipment in the fields of the Internet of Things and security in China. It offers intelligent mine construction product systems, including mine infrastructure, safety monitoring and management, production control and management, transportation monitoring and management, and integrated management systems. The company is also involved in mining, environmental protection, and city management activities. Its products are primarily used in the coal and non-coal mining industries. The company was founded in 2003 and is headquartered in Chongqing, China.