Ation---- by adopting high-molecule material, after treatment, the oil is very difficult to be emulsified again. 2. Adopting high-technology dehydration method, can dewatering thoroughly. ------the combination of coalescing separation and vacuum dewatering 3. High oil cleaness after treatment-----can be reach nas 6 grade (nas 1638) 4. With the trapezoidal, spiral, automatic back flushing system. 5. With the advanced dielectric condensation devices. 6. Can be work on-line with hydraturbine & turbine automatically without person. 7. With zhongneng unique technology, can remove impurities completely by double fh trapezoidal filt element and high-molecule absorbing together. 500kg, 1600*1700*1800