Below is the my phone screenshot as i saved lu chen/ Michael chan number as " Lu chen antminer S7"
http://imgur.com/IZDWj8a

Below is the screenshot of whatsapp conversation when I arrived on 9 th Jan on airport and Lu chen was waiting outside
the airport and asking me to exit from B door in Beijing on whatsapp and this conversation have that bitcoin address on which I send 10.9 BTC.

http://imgur.com/WQzrFqh


And below is the screenshot of btc address on which I send 14.3 BTC * whatsapp conversation

http://imgur.com/iEJt6Qp


and here is mail in which xiaorui.liu@bitmain.com cc'd lu.chen@bitmain giving my first miner DHL tracking address
http://imgur.com/MW03aT2