I intend to participate in Soft darts touranment in Shanghai on 16th and 17th of August. What kind of visa do I need?

You need to apply for an F for this visit. Following documents are required:

(1)Invitation Letter of Duly Authorized Entity or Confirmation Letter of Invitation issued by relevant Chinese entities(original).

(2) An invitation letter issued by a relevant entity or individual in China.

(3) A supporting letter from your compay.

(4) Your bank statement (personal or company,the last six months)

(5) Your round-trip air tickets and hotel booking if you visit China for the first time.