We have a special water tank product: 1*2 GRP water tank panels

our 1*2 GRP water tank panels could save water/

and it will make the water tank more easier to install

as well,1*2 GRP water tank panels can save cost 

especially can save one layer connection sealant bolts/nuts/washers

during installation and also can avoid water leakage.

Here is video about our 1*1*2 GRP water tank with PVC flange introduction.