Hisense poor customer service with repairs

Hisense Repairs Service center do not know what they are doing and do not consider customer service. In 2018 a technician repaired my TV at my home on the same day. In November, 2nd, the technician collected my TV with the same problem as in 2018, delivered it to the hisense service center in Bedfordview and have still not returned my TV. I have contacted the servicing center and the customer support center several times throughout last week, where I was told that my TV would be delivered by Friday, 8th November. On Saturday 9th November I called several times again and was told that I would be contacted by 10am on Monday 11th November. No phone call, I had to call l, again. I was told my TV would be delivered by Tuesday. More, the service representative at Bedfordview is abrupt and has no way of dealing with clients, nor can he keep his word or keep day and time. I have escalated the matter, bit still sitting without a TV for over a week. No one from hisense has bothered to contact me. What a way to put me off from buying anymore Hisence products. Hisense is 1quick to sell but not quick to assist.