Complaint about a bad product.

Hi Peter. l bought my grocery at shoprite only to find that eggs are not in a good condition at even though the expiry date was not yet due .when I boiled it this morning today I find that less than two minutes the egg burst but there was no bad smelling it seems the quality of the product want in a standard it looks like a **** egg cos I also tried the second one something happened m very sad about this situation cos we don't know whom can we trust it our shop like eshoprite (this eshoprite is located here in GP at Katlehong Hahatsi Section) are behaving like this to us as their customers with our money that we worked very hard in order to get the lives of our families are in a very huge dangerous .please take to this matter into yo consideration .I Thank you.