Wedge wire screen is used along with deep well pump and under water pump. It is also used in water treatment equipment, environmental protection, seawater into industrial water, living water desalination, tap water treatment, water softening. Also used for hydrogeological exploration, welling drilling, sinking construction, reservoir precipitation, foundation deep precipitation, geothermal development and utilization, mineral water development and utilization, bad well repair, underground water source water etc.