IS SOUTH KOREAN NATIONAL NEED A VISA TO VISIT CHINA IN A COUPLE OF DAYS. note he is in philippines.

Hi, my boss is south korean national and now staying in philippines for business
He is planning to visit china this march for a couple of days maybe maximum of 4days .. Does he need to apply for a visa? If he do needs a visa. whats requirements needed. and how long will it take? Thanks hope to hear from you.