1.for tunnel construction and operation 
 2.material : stainless steel and aluminum alloy wheel  blade
 3.high pressure and huge volume 
 4.durable and stable
Since the establishment, the 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. The products have the characteristics of reliable performance, stable quality and novel structure, and are well received by users. After being reviewed by CQGC, the Company is rated as "Trustworthy Product Promotion Unit". The products have been sold to more than 20 provinces, cities and regions. The fan impellers of the Company adopt new international technology, and the products are highly commended in such fields as mines, tunnels and environmental treatment.

We have a range of axial flow fans and jet fans specifically designed for tunnel and metro applications. Their features include high efficiency, low noise, durability, high reliability, low maintenance, corrosion protection and flameproof motors,  with auto-variable pitch or variable speed drive, and the potential for up to 100% reverse flow.

We have supplied the ventilation systems and fans for many tunnels in Europe, and North America, including those for the re-equipping of the Mont Blanc tunnel and the Gotthard tunnel, as well as providing fans for tunnels in other parts of the world.