Lanjingling special protective liner has a service life of 10-20 years, anti-corrosion, not easy to scale, acid and alkali resistance, and good pressure resistance.

There are two installation methods: inclined roof and flat roof. The installation is flexible and suitable for different roof types.

Photothermal is the main electric heating as the auxiliary heating, 24 hours constant temperature heating.

Confined water tank structure to ensure constant water pressure.