Dial 1 14 to check the library number, call your number and ask him to tell you where it is.
After getting a card, you can borrow books from libraries in towns and cities in Dongguan, as long as he has them.
There are100,200 cards in 500 yuan. It seems that 100 can borrow 3-4 copies and 500 can borrow 9 copies.
Mine is 500.