Based on the Warela market microcosmic equilibrium theory, the essay introduced the ideas on water price elastic coefficient and water price in water-saving way, thoroughly analyzed the main factors affected the water price, used the experience of the related work, combined with the actual condition of Hebei province, and made some practical calculating methods for water price in water-saving way.

Process system engineering methods for water conservation;

The shower facilities in press section of high speed paper machine and water conservation technology;