... 3.Imported material 4.Durable in use FILTERK Separation Of Oil Mist Filter Element Main products:(A),Dust filters,dust ... blower etc.(D),Air filters,engine oil filters,oil filters,oil-water separation filters,oil-gas separation filters etc. used in ... process,such as workshops of machining,stamping,surface treatment,filter assembling etc., quality management department of technology, quality control,and ...