Hanhua Filter Element Collection has obtainedISO9001 certification, hygiene approval, RongguiHigh tech Enterprise, specialized and innovativeand has over 70 core patents on customizeddevelopment filter elements.Han Chinese adheresto the spirit of "being with customers" and regardsthe business philosophy of "talent and technologyas the core,creating the best products andservices,and making contributions to humansociety" as its corporate mission!