1. Dalian Haohai develops a new design high flow cartridge by researching, applying for large amount of water desalination, power plant, etc, which solves the problem of replacement  saving time and  labour, and exported to foreign countries.
2. Dalian Haohai develops integrated a all-in-one filtering equipment of seawater with disinfection system, movable ,which can remove the suspended solids in the mariculture, reduces COD and have disinfection functions, its operation is simple and  can be movable according to your needs.
3 .Dalian Haohai will launch an import cartridge and a domestic cartridge with an unexpected price monthly, welcome to patronize.
4, Dalian Haohai develop household water purification products by introducing imported filter material, which meets the FDA without corrosive harmful additives, dissolution and so on, welcome to inquiry.