High standards of geothermal wells in gravel-free material for exclusive possession.The seamless tube, in order to achieve from the outside, filtration, wire surface can be reversed, supporting bar in the pipe, the majority of the surface wire this combination can be.These screens are often the best choice for use in unconsolidated sand and gravel aquifers,they are constructed by winding and attraching a triangular strand of wire around a set of vertical rods. The triangular design is used with the flat face towards the aquifer and the triangular face towards the pump. This design allows small particles to pass completely through the screen without becoming wedged in and clogging the screen. Meanwhile ,our company can offer a whole set of sevice,such as the related process,the solution of the related technology and so on.. If you are interested in our product ,please contact us ,and for more information.