wedge wire screen is a kind of filtered water tubing with the perforation. It can be used with the deep well pump, dive the water pump, also may be used in the water treating equipment, the environmental protection, the sea water transforms into the industrial water and life use water desalination treatment, running water treatment, water softening treatment, the petroleum industry, The petroleum product terminal filters and the chemical acid, the alkali liquid filters, the ethyl alcohol and so on the organic solution recycling filters.