I am traveling to Shanghai with single entry Bussiness visa but the meeting which I will have in Shanghai office has been deferred to the following week. So I am planning to visit South Korea before I visit Shanghai office. I have to use the business visa when I come back to Shanghai from Korea.

Since I alredy purchased the ticket to Shanghai from USA I am wondering if I will need another visa to transit to Seoul at the Shanghai Pudong international airport.

Brian.

So, I will be arriving in Shanghai International airport and then transfer to a flight to Seoul, Korea then come back to Shanghai a week later for business meeting. I already have