BLLC introduced outdoor fresh air equipment with large air volume specially for the villa, and solved the air problem of the whole house through just one product range.

The more high-quality BLLC Pro Series products--"BLLC HRV" was born, it is developed in combination with China's unique architectural features.

After 2009, BLLC was once again rated as a “high-tech enterprise” by the Shanghai Science and Technology Commission.

BLLC changed the traditional top air supply mode of the fresh air industry and focused on promoting the ground air supply mode. In the same year, BLLC products won the German IF design award.

BLLC became one of the equipment suppliers for the United Nations Pavilion in Shanghai World Expo.

BLLC high efficient bi-directional airflow fresh air equipment was born.The next year, BLLC heat exchange ventilators were successfully put into the Chinese market.

BLLC Research & Design team were formally established, they combined European technology with Chinese environment and building structure to manufacture a house wide air energy recovery and replacement system which is suitable for Chinese environment.

BLLC's negative pressure fresh air system is widely used, it has signed contracts with real estate customers such as Renheng land group, Ningsheng real estate, Ruyi jinshuiwan etc.

BLLC brought advanced air replacement technology from Europe into China. The first product is indoor negative pressure ventilation, which makes indoor air circulation, and takes the first step to improve indoor air quality.