As an airline pilot I spent a lot of time in Hong Kong and now that I am in to mining its good to of had that experience building relationships. I bought 5 miners and I am going to be holding on to three of them. They are used S19 Pro 110th TH with 4 months warranty left… I am going to sell the other two. If you are interested in buying one send me a PM with an offer. I am U.S. based.