In early November 2016, I completed the BMW company Shenyang new assembly line - car washing wastewater treatment system installation work, now into the commissioning phase. Hanqing environmental protection in late 2013 for the BMW company to build a daily processing capacity of nearly 1,500 tons of wastewater treatment system. The project is BMW's new assembly line supporting the second phase of the water treatment system, the daily handling capacity of nearly 500 tons, the system is expected to formally put into use in January 2017.   
    The company has a mineral oil, an emulsifier, a surfactant, etc. The oil and wax are of high content and the oil is present in micron and submicron sized particles. Stable, not easy to precipitate. Hanqing environmental protection through the nano-air floatation and membrane filtration technology, will be dissolved in the water in the organic components and other pollutants removed, water circulation for car wash and rainproof test, an effective solution to the production line of vehicle cleaning or testing drying, Car paint the surface of the phenomenon of white residue.