HaiLin Energy Technology Inc. develops and manufactures HVAC building automation products, including thermostats, controllers, sensors, control valves and management platforms. It delivers end-to-end smart building control and energy management solutions built on intelligent control and cloud platforms.
HaiLin Energy Technology Inc. is a Beijing-based high-tech enterprise integrating R&D, manufacturing, sales, and service for building automation and HVAC control. The company focuses on thermostats, controllers (including DDC and gateways), sensors, control valves, and management platforms that support building automation systems and energy management systems.
Built around intelligent control and cloud platforms, HaiLin’s solutions enable monitoring, control, analysis, and management across major building subsystems. These include air conditioning, heating, fresh air, hot water, lighting, curtains, temperature and humidity, indoor air quality, and overall energy consumption—helping create comfortable, healthy, and energy-saving indoor environments.
With nationwide service coverage supported by an extensive agent network and marketing service outlets across many cities, HaiLin also actively serves international markets, with products exported to the United States, Europe, the Middle East, Australia, South America, and more than sixty countries. Its products and systems have been applied in a wide range of landmark projects, including major sports venues and transportation hubs.

Solutions are built on intelligent control and cloud platforms to support monitoring, control, analysis, and management of building systems for comfort, health, and energy efficiency.
A structured service system supports customers nationwide, with more than 100 agents and marketing service outlets covering more than 200 cities.
The company operates an R&D center and laboratory, along with automated electronic product manufacturing and control valve manufacturing capabilities.
The company’s philosophy is to build strong products and service, act responsibly, and develop into a respected global building automation enterprise through continuous innovation and reliable product quality.
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