Tank Repairer?????

Does anyone know a good tank repairer in Melbourne ? preferably in SE are
or are they worth repairing? at the moment, my tank has dents and colour worn off close to the seat.
i don't know what can be done apart from replacing it. or is it cheaper just to buy another one?
thx
or are they worth repairing? at the moment, my tank has dents and colour worn off close to the seat.
i don't know what can be done apart from replacing it. or is it cheaper just to buy another one?
thx