Oil (ink) waste water for pharmaceutical 1, the company specifically for oil (ink) wastewater treatment of independent research and development of high-tech products. The agent can effectively improve the oil-water interfacial tension in the oil-containing wastewater, make the colloidal particles within the sewage lose the stability and attractiveness, and finally lose the stability to form flocs, Oil and water separation and separation of harmful impurities, shorten the separation time, can be miscible with water, and in a wide range of pH value.