Spring noise - Consumer Complaint for Sleepmasters

Hi mr/miss/mrs my Name is Pumzile Magajana i bought a 152 cm seattle bed in your store in Gugulethu mall on 24 December 2020 now the bed springs is making noise 3 months of buying it and i follow the instructions they told me at the store of turning sides of the mattress every week i'm very unhappy about this bed can you please give me a better mattress than this one im sleeping on when i get in bed or waking up the noise it makes its like an old bed.