Mina at Dengfu can answer the shipping question. I bought a used 2010 SuperSix frameset on Ebay, no warranty and it was $1700 and I didn't hesitate because it was a lot cheaper than a new one at $3200 with the logic that I could buy another used one later if I break this one.
Spending $700 on a new frame that's arguably just as good as the name brand and less than 1/2 the cost is worth the risk imo. GL