Call customers back and value customers

Parmalat doesn't even have the decency to contact customers back after complaints are logged to protect their image and brand.. I have requested a call a thousand times literally after complaining of the incident below and no response.

I recently purchased the new brand of steri-stumpie plus protein chocolate flavor after having tasted it in the store. When I purchased the item , I drove straight home which took me around 10 minutes, the steri-stumpie was still cold and was refrigerated. The next day when I opened the 250 ml product which was not expired the product tasted off and the milk was sour. This was totally disgusting. I purchased 2 of the same products with details below: BAR CODE NUMBER 6 001 ********** 20 BEST BEFORE 26/07/2019 BAR CODE NUMBER 6 001 ********** 20 BEST BEFORE 26/07/2019 I Still have my proof of purchase and the bottles. I was totally disgusted by this. Please contact me on ********** to discuss this further. Kind Regards Ayesha Vaid