We are dedicated to the research and technology development in the filed of heat recovery and indoor air quality. We are the leading company in China who professionally produces heat and energy recovery ventilation systems.

Our products comprise heat and energy recovery ventilators (HRV and ERV), plate and rotary heat exchangers, air handling units and other accessorial products.

We are one of the equipment suppliers for Beijing Olympic 2008. Our products have exported to many countries, and we've supplied heat&energy recovery products for some large brand.