It appears that Yu's goods are genuine, whereas the other 2 were fake store with fake product. "Yu’s stores buy iPhones, iPads and iPods from authorized dealer

It appears that Yu's goods are genuine, whereas the other 2 were fake store with fake product. "Yu’s stores buy iPhones, iPads and iPods from authorized dealers and sell them at the same prices listed on Apple’s website, said He, the manager at the Wu Cheng Road shop. Margins are low, he said."