Hebei Haotian Filter Manufactyring Co., Ltd. (http://www.hebhaotian.com/english/default1.asp)specilize the production of all kinds of air filters such as oil air filter, air filter,auto air filter. our production were well sold at home and abroad.    
with the purpose of honesty and the principle of mutual-benifit, we look forward to coorperate with you!
pls contact me!(MSN cn1000414447)
wish you a good day!