Both of the two in Reading are good and have been there for a while. You can get sushi at the Mandarin as well.
I need to take a run up 125 to North Andover again soon to check out the "new" Beijing. The food at the old one never disappointed and the bar scene there is something else.
Another vote for Mandarin Reading on Salem Street (Route 129) in Reading. Mandarin Reading is very good IMHO. However, now Mandarin Reading charges for a pot of tea? Most Chinese restaurants don't charge for a pot of tea. Mandarin Reading does and I read that Golden Temple in Brookline does too. Pretty soon they will probably charge you for a glass of water?
Not sure what you're looking for or what your definition of GOOD is, but on the Route 129 rotary (Salem St.) is The Mandarin and Emperor's Choice on Main Street - both are pretty decent.
Mandarin Reading Restaurant
296 Salem St, Reading, MA 01867
530 Main St, Reading, MA 01867