Pharmaceutical waste water for pharmaceutical 3, the company specifically for pharmaceutical wastewater treatment independent research and development of high-tech products. Is a quaternary ammonium salt type cationic polymer, with excellent flocculation, decolorization, COD removal effect. And the performance is excellent, the removal speed is extremely fast, the alum is big in the water, the settling speed is quick, the decolorization rate is more than 90%, the COD removal rate is extremely high, the sludge is small, and is specially used for the pharmaceutical wastewater treatment.