The Shanghai Free Trade Zone turns three today. The SFTZ, as it's sometimes called,  is an exciting development in the opening up of China’s economy. And from a trading perspective, major breakthroughs have been made under the current customs practice in China.

For more on this topic we now go to our Shanghai correspondent Shi Wenjing.

Q1. At the same day three years ago, China launched the country’s first pilot area named Shanghai Free Trade Zone, considering it as a solid step forward to boost reforms. Three years testing period is over, how does the test go? 

Q2. With the expansion of free trade zones across China, what are the roles for all of them?