I'm an American living in Busan. I have a Korean Alien Registration Card with 3 months until its expiration.

I'm an American living in Busan. I have a Korean Alien Registration Card with 3 months until its expiration. I've heard this may be a problem getting a visa for China. I would like to travel there for 8 days.

Do you know if I can still obtain a visa?

Thank you!