Hi there, I'm an Australian citizen who is currently in China. I plan on travelling to Seoul on the 11th - 18 of Feb and will be booking a return ticket from Shanghai. The problem is, my Chinese Visa will expire on the 18th which requires me to enter and leave China before or on the 18th. I'm looking to obtain a Chinese single entry visa in Seoul but I do not have an ARC. How do I obtain one and is it neccessary that I have one in order for me to get my Chinese Visa?

Thank you.