Focusing on the fluid environmental protection industry, it is a listed joint-stock enterprise specializing in the R & D and manufacturing of oil filter, oil filter machine, filtration equipment and oil filter elements. The filter products used in the field of environmental protection are strongly supported by the national energy conservation and emission reduction policies. Integrate the national standard filter element series, foreign alternative filter element series, oil filter truck and filter series to serve the society more professionally and meet the needs of customers.