Since the establishment, our Company strengthens technical innovation and increases technical content of products for serving mines, tunnel construction and environmental protection. It aims to achieve development and expands market by depending on talents and science and technology. Currently, it has developed main products including: 1. Explosion-proof fans for mines FBCDZ, FBCZ and FBD three large series totaling more than hundreds of product models; 2. Special axial flow fans for tunnel construction SDF(A), SDF(B) , SDF(C) and SDF(D), and special jet fans SSF for tunnel operation; 3. High pressure spray fans GPF three series totaling scores of varieties. 4.The centrifugal fans for industries and ore mines. 5.The axial flow fan for industries .6.The flexible ventilation fan duct .The products have the characteristics of reliable performance, stable quality and novel structure, and are well received by users.