Chongqing Hengao Oil Purifier Manufacture Co., Ltd. is a leading oil purifier manufacturer in China which is engaged in developing, producing and selling a series of oil purifiers. We have our own research and development centre and inspection centre. We have a number of national-class oil purifier experts and experienced engineers. Our products can be applied in many fields such as petroleum chemicals, electric power, chemical engineering, metallurgical industry, mining and transportation.