I buy some goods from Alibaba and the seller was a fake selle. They have a fake courier company and all the payments they wanted by western union, money gram, bitcoin.
They sell power tools (Makita, dewalt, Milwaukee) or computers or metal-gold detector.
If anyone want to buy, just don't do it. They're name is David William Dias or Diaz, Rasim Alyiev, Sthephen Barasa, Hamuzah SSentongo.
Craigslist, Ebay and other online buying/selling scams.