Now we have acomplished the water tank wihout base channel in Tanzania. We just use several days to build. The first picture is after we finish the project. The second is during we instaled it.
Now we could product better water tanks, they are GRP water tanks which do not need the base channel. it could storage much water without base channel.
It will get cheaper and higher quality water tanks. If you want to kniw more details, welcome to contact us in time. We could provide fob price and cif price for you!