Wait 4 weeks and this is what i get

Approximately 4 weeks ago builders advertised the royal patio set and I went in and ordered one immediately, the day after the pamphlet came out. So the wait began, two weeks later after calling almost daily for feedback I go in and pay it to hopefully try make them speed up the process. Finally two weeks later they call on Wednesday the 16/12/2015 and say its here and they can deliver on the 17/12/2015. <br> Delivery takes place - im so excited to get home from work to assemble, to my disgust I assemble a joke, the set is skew, there are bottoms of the chairs missing, after all the wait this is what I get(no quality control without a doubt), I was told a week ago these are the last one and they managed to secure one for me, now what do I do is the question, I want the royal patio set(one without faults), I've moved into my new house and I'm having Christmas at my house but where we braai on Christmas day will now be empty with no furniture. I would like a solution and one soon. S. Heine ***