1.High filtration efficiency 2.Low initial pressure drop 3.Under ISO9001-2000 quality certificate 4.Exquisite Craftsmanship SAYA -- Because excellent,so trustworthy !!Company strength1.Specialty: We are the only factory to produce the replacement of foreign filter element, we adopt import filter mediumr from America HV company.2.Products Applications:Metallurgy,petrifaction,spinning,electron & ...