The Cast Basket Strainer (tube-type filter) is essential for industrial production pipeline accessories, installed in the pipe can remove fluid in the solid impurities to ensure the normal running of pipeline equipment system, fluid can be more pure, to get a good industrial products; use some time out, as mentioned above after the open basket-style filter, one that can be restored by washing as new. Therefore, in the petroleum, chemical, pharmaceutical and food industries have been widely used, are very popular.