CDL is a kind of multi power products, can transport from the watertothevarious industrial liquid medium to at different temperature,flowandpressure range of 0.1, water supply: water filterandtransport,waterworks, in charge of pressurized and fire controlsystem.3,industrial liquid conveying: cooling and air-conditioningsystem,boilerfeed water and condensate systems, machine matching acidandalkaline,water treatment: ultrafiltration system, ROsystem,distillation system,separator, swimming pool. Irrigation:irrigation,drip irrigation.