With that said if you want to try you could go to the Marco Polo Square or hang out at parks and cafes by the universities.
Remember to speak very slowly, smile a lot, and hope for the best.
So you could walk up to a single lady who does have interest in you but she may be too shy and overwhelmed to try and chat with you.
Many people come here to see the Great Wall, the closest way to access it is the Huangya Pass.