Xinxiang Longqi Filters Co., Ltd is a set of filter product design, production and sales joint-stock enterprise. We have advanced filter product line, product testing center and perfect ISO9001-2008 quality system certification. Our management idea: honesty and trustworthiness , close to market value and performance. Sincerely serve all over the world customers.Our main products: interchange of foreign filters, air compressor filters, water filter , oil purifier, air filter and so on . Product application: metallurgical, petrochemical industry, electric power, electronics, pharmaceuticals, tobacco, automobile and engineering machinery, green energy , etc.