No delivery - 6 months and counting...

Placed order 11 December 2019, made full payment 14 December 2019. Order was meant to arrive 30 December. It’s now 4 June 2020 and nothing! The service from this vendor is beyond appalling. Hasn’t responded to my last 2 messages, the last of which was in March. This is my 2nd bad experience with this vendor, needless to say, I will not be chancing ‘3rd time lucky’...