Tiger brands

These people have been giving me a run around for weeks for a defected product of there's Oros 5 Litres juice which was not up to standard the Y give me a voucher that doesn't work and my numourus calls to them they tell me that they will call me back but don't this is a norm with Tiger Brands I know of people waiting for 2 years for a product they reported which had worms in it Someone please investigate them