Company Prnfile Dong guan China Filter Hai-yu Ltd is a comprehensive manufacturer that conbines filters,non pollution cioth, research & development, operation and marketing as a whole. It has a top-quality and high-level team of professional teachnicians.By means of complete experimental and testing devices,it is driven by users’demands to have developed a series of purified oilters. With automatic non-clapboard core production lines and introduced welders for filter bags.it has changed the old-fashioned teachniques to produce the filter bags ,thus greatly improving the performances of the products and gradually froning production and supply bases for such filter materials as initial-intermediate-high efficiency filter materials of polyester fibers, ceiling lotton of spray coating materials, active carbon filteringm glass-fibers,ceiling lotton of spray coating materials, active carbon filtering, glass-fiber air filter papermetc.In the days to come,we will work hard to provide you with top-quality products and serrvices.