Airdot Environmental Technologies is a dynamic, innovative and leader in the filtering industry both domestic international markets since its establishment. Many clients has chosen to work with us these years because of expertise technology, which our engineers gained over many hard ...

As one of the top large 50 enterprise groups in China, Chunlan (group) Corporation has developed into a diversified, high-tech and international modern one, involved manufacture, scientific research, investment trade. (Group) owns 42 independent subsidiary companies, 18 which are ...