China Hangyu Oil-Purifier Manufacture Co., Ltd., a hi-tech joint-stock enterprise, has developed on the basis of Former Chongqing Yuneng Oil-Purifier Factory. Now, the company, located in Chongqing hi-tech industrial development zone, has an area of 21 mu and an annual output value of 6o million yuan of oil-Purifier and apparatus. It is a competitive hi-tech company in the world, specialized in oil-Purifier researching and manufacturing. ISO9001 certified in 1999, it is engaging in supplying various fields with advanced, reliable and suitable vacuum oil-Purifier, special oil-Purifier and special petroleum product purification system. It strives to be a manufacturing enterprise with oil processing equipment up to international advanced level. It is also a distinguished assorted enterprise with heavy machinery whose products further sold to large and medium-sized companies in electric power, petrol-chemistry, metallurgy, machinery, military industry and other fields.
 The company has led the world in producing oil-Purifiering material, manufacturing oil-Purifiering equipment and designing special system by pursuing technical progress and specialized development according to the concrete situation.
 In the marketing field, the company, with the idea of truth-seeking, continues to develop the sales work based on serve and technological progress and offers unique products, special service and technology to the lubrication management and filter technological progress in different fields