Chongqing Massci and Tech. 

Chongqing Mas Sci.&Tech.Co.,Ltd. provides safety technology equipment and safety information services in China. The company offers mining safety products, including personnel tracking, mining safety monitoring, gas mining monitoring, and wireless and broadcast communication products. It also provides municipal management products, such as manhole covers management, slope and retaining wall, bridge health, road and tunnel, underground pipe network, septic tank hazard, storm waterlogging, and street lamp products. In addition, the company offers flammable gas monitoring products; and environmental protection products comprising dust and noise, surface water, ambient air quality, VOCS, regional environment, and remote water operation products. Further, it provides urban pipeline safety products consisting of cloud data center, information management platform, emergency command, and gas hazard monitoring products, as well as software solutions. The company was founded in 2003 and is headquartered in Chongqing, China.