It’s hard to know for sure what’s acceptable when it comes to working conditions in China. The information we get is incredibly limited. Most of what makes it through is propaganda.

That said, it wouldn’t surprise me if he does it all day long, 6 days per week.

They are, there's a video on YouTube you can find where they interview someone with that job and they test 10,000 a day. Then they mention that they go home and vape some more