no response, poor workmanshap

I have an JD group account now for a mere 4 months and the items that i took was a 3 s aldo couch

1 time time the couch when in for repair because the side arm rest collapsed 2 now again the side arm rests are collapsed and the all the padding on the couch have moved away from the wood 3 i have send over 30 emails over the last 3 weeks regarding the matter and no response i call jd group costumer care and my call don't get answered.

what to do stop paying the account or keep sending emails till someone response