1.The metal components such as filter housing, thread cover are automatically punched forming with high-quality steel, which ensure that the static pressure bursting strength is over 1.5mpa.

2.The filter paper has high filtration efficiency and long service life.

3.The thread cover and cover board are adopted with rivet type structure, which can efficiently prevent the remaining oil in filter floating back to tank in the non-working condition of the motor vehicles, and timely supply oil to lubricate the motor components in the working condition.

4.The rubber of seal rings, non-return valves and bypass valves are adopted with high-quality nitrile rubber. At high temperature +60. Low temperature minus -40 C can be used normally

5.The filter housing is adopted with phosphating and powder coating, which has the characters of excellent powder adhesion, no-easy rusty and cleaning inside.