Originally Posted by moondog

As long as you don't pester them too much, I don't think there is much (if any) downside in replying with the same question again and/or calling them (I prefer email/WeChat though because you get a record of any arrangements they make for you).

Incidentally, back when I was using visas to enter China, I often found that 90 or 120 days/entry was hard to swing with 10 year validity (even in DC, a friendly consulate), but if I accepted 2 year validity, I could get 120 days/stay.