Two of the main side panels came cracked, and the plastic center that goes between the backing panels was frayed. Cheap quality all around. I had to glue and adapt a few parts to make it work, plus had extra screws of the smaller ones, but missing one of the larger specialty ones. QC is not something this company does.
Some papers that came with the unit asked to call their customer service or go to their website before sending it back. On the website the questions don't have answers written yet...