heavy duty filter - RF22001

we are professional manufacturer and supplier of heavy duty air filter, passenger car filter, cabin filter, ECO oil filter, Hydraulic Filter,china auto filter heavy duty filter Manufacturers rockfilter supplier ,etc., founded in 2007 locate at Hebei, China. Our skilled workers amount to 50 with 10 years’ rich producing experiences, all the ROCKFIL products made following ISO9001:2000 International Standard Quality Management System.