Cranbourne Panelbeaters- Stay away!!!

2017 Cranbourne panelbeaters repaired my vehicle. Now the paint is all cracked and peeling. I was advised that they only guarantee their work for 3 years. Am I then correct that any repair job they do will only last 3 years? Extremely bad service!!! Not even willing to negotiate. Rather use another repairerer but NOT Cranbourne panelbeaters