Established in 1991, Suning Shuangfa Filter Appliance Co., Ltd. (SFFILTER) is one of the earliest and most professional manufacturers of filter cartridges in China, specialized in string wound filter cartridges, PP spun filter cartridges, activated carbon filter cartridges (CTO/GAC), PP pleated filter cartridges, filter bags and a variety of stainless steel filters. We can produce filter cartridges according to Japanese industrial standards in China. What's more, the 80 inch length filter ...