Full coverage: G20 Hangzhou Summit

Our reporter, Wang Hui, is in Shanghai covering the G20 meeting. She spoke with Director-General of WTO, Robert Azevedo about some of the most pressing issues affecting world trade today. He revealed his thoughts about why China has been the target of so many recent trade disputes, and how Britian's departure from the EU will impact trade and investment between the UK and other countries.

Q1. According to a recent report from the World Trade Organization, since 1995 China has been the biggest target in anti-dumping investigations. And for the past ten years, China has been targeted in more anti-subsidy investigations than any other country. What's behind those statistics?

Q2. China is upgrading its industrial sector. Will that decrease the number of trade disputes that it has with other countries?

Q3. How will Brexit affect trade and investment between the UK and other countries?

Q4. What's your advice for the UK government?