1.Oil drilling use polymer PAM/PHPA/ ... for all the major sectors are: Urban Sewage Treatment, Paper, Food Processing, Petrochemical, Metallurgical Processing, Dyeing ... used for dyeing wastewater, leather wastewater, oily wastewater treatment, so that turbidity removal, decolorization, to achieve ... emission standards.(5)For the tap water in the river water treatment plant flocculant.5.Load pictures ...