Beijing SDL Technology Co., Ltd. engages in the provision of smart environmental protection services. Its business activities include environmental monitoring, ecological environment big data, pollution control and energy conservation, comprehensive environmental services, industrial process analysis, and greenhouse monitoring equipment and systems. Its Environmental Monitoring business offers gaseous pollutant monitoring system, carbon dioxide monitoring system, and greenhouse gas monitoring system. Its Ecological Environment Big Data business provides pollution source comprehensive supervision software platform, carbon emission comprehensive analysis platform, and air pollution prevention and control decision-making support platform. Its Pollution Control and Energy Conservation business covers industrial water treatment, water saving and resource utilization of waste water, and resource utilization of industrial waste. Its Comprehensive Environmental Services business encompasses operation and maintenance services, third party testing services, and environmental consulting services. Its Industrial Process Analysis business offers process gas analysis solutions for natural gas, semiconductor, and heat treatment industries. Its Greenhouse Monitoring Equipment and Systems business provides pollution source carbon emission monitoring, atmospheric environment greenhouse gas monitoring, intelligent carbon emission measurement system, and carbon account management platform. The company was founded on September 24, 2001 and is headquartered in Beijing, China.