"Life is meaningless," said Ah Wei, his fingernails stained black with the dust from the hundreds of mobile phones he has burnished over the course of a 12-hour overnight shift. "Everyday, I repeat the same thing I did yesterday. We get yelled at all the time. It's very tough around here."
Calling all HuffPost superfans!
Sign up for membership to become a founding member and help shape HuffPost's next chapter