Water source
Activaties cause the pollution to surface water and groundwater. The contents of BOD,COD VOC,TOC,NH3-N, NO3-N,P, heavy metal and other pollutants exceed the standard seriously. The adsorption method of enriws series of active carbon is one of the optional deep purification technology at present.

Rainwater treatment, recycled water and sea water desalination

71% area of the earth is full of sea water, while fresh water is less than 3% of the total water amount, so it is our inevitable choice to grain fresh water from sea water. Besides ,we can also obtain further supply by collecting and treating rain water and produce recycled water. Ningxia Yongruida series of filter material proves to be the most economic and effective method in such application .