Usage: 1 It used to recovering the low standard waste engine oil, discoloring and reuse the oil. 2 It is also applicable to recovery of other kinds of waste oil. Features: 1 This oil purifier used a physiochemical reaction, which can eliminate the electric charge between polar particulate in waste oil, which is gathered into large particles and remove; It is also can remove colloid, bitumen and other compound. In the meantime there are waste gas filter and vacuum dewatering remove harmful water content, thus oil is cleaned and the effective content of oil is retained. 2 High precision stainless steel net is used, which is anti-corrosive, high temperature resistant and has a good mechanical strength and long lifetime; the easy-to-use, economical and practical pressure filter is used as filter medium. 3 It has a novel structure, good layout and is deemed as a "mini refinery". 4 Very straightforward and evident effects, can also serve for multiple purpose. Superiority: There is special chemical of our company, at the top of this industry technical. It is especially to use for discoloring and removing the smelling. This machine can be designed according to customers' requirement.