Quality issue on Premier foods toffees

I bought numerous sweets, the caramel and liquorise toffees, the weights on some of the liquorise ones were way under, after much frustration and emails sent, they eventually made contact and arranged a courier to collect, they promised that they could give feedback, that was end of that was end of March, its now 6 weeks down the line, I spent several hundred rand on these sweets already, found another one 10 g under the package weight of 35g, they just ignore my emails, I even copied in this email address *** that the consumer complaints told me as when I asked for assistance they were also unhelpful. How many times must a person fight for what is right. Companies out there just dont care as they know nothing will be done. its shameful.