Sinotec and Game service is poor

I took my TV on the 4/6/19 to Game Mamelodi repair no 175 for repair.until today I did not receive it .when I call game they tell me that the sinotec did return it and when I remind them of 21 days that they mentioned when they booked my TV .they do not want to desclose that it apllies to white people only.and when I call the (on ***) sinotec they say they waiting for game to come and collect it ever since.what is the promblem