XINXIANG HUAHANG FILTER CO., LTD Our company specializing in all kinds of industrial filters for many years, own abundant technical force and excellent services. Our main produst are hydraulic oil filter series,air filter cartridge,water fliter cartridges.Our best selling items are :Hydraulic oil filter series Replace Pall oil filter series Replace Hydac oil filter series Replace Argo oil filter series Replace epe oil filter series Repalce Taikei kogyo filter series Replace Mp-filtri oil filter series Replace internormen oil filter series.