High Resistance to Corrosion,⭕ Resistance to Wearing, Excellent Hydraulic Performance, Green and Environment-friendly,The service life can be over 50 years though🐼.
Strong Resistance to Impact, High Ring Stiffness above SN20, its seismic fortification intensity is as high as level 9, Convenient Connection, 🐈Good Sealing Performance Light Weight, Low Construction Cost