CH10.CH11.CH12.CH13.CH14.It is made from non-alkali wool with chemical auxiliary which can increase the intensity of the paper. It is damp proof and can be used in the field not only that Air Filter Paper with Clapboard can be, but also the other industry that air filter is necessary at the automatic line.　

CF6.CF7.CF8.CF9.It adopt a special technique of fiberglass produce. The fiberglass surface is disposed with chemical auxiliary. The index of low resistance is higher than the same kind products inland when the air resistance is ≤12 pa.

It can be applied to the air purified establishment, produce workshop, and primary air filtration, environment protection, etc.

It is ranked as the Key Project of Technology Creation in 2001 by Chongqing government.