Chongqing Huaneng Oil Purifier Manufacture Co., Ltd. Is a high-technical enterprise specialized in developing and manufacturing oil filter action facilities for many years. We have widely absorbed a vast amount of advanced technlogy from home and abroad.Nowadays, we are one of the largest enterprises in the same field, producing oil purifier with good and steady quality, which are widely used in oil-filter fields, such as electric power plant, power station and oil field.