When the G20 summit opens in Seoul later this week, many people - including China's Vice Finance Minister say - the global economy will be top of the agenda.

At the beginning of the month, the US launched efforts to support its economy. They are committing to buy 600 billion US dollars in government bonds. This move will make a huge difference to the world.

Zhu Guangyao, Vice-Minister of Ministry of Finance said "We are focused on this move, but we also have some different opinions, we hope the measure includes the exchange rate. It will help the American and world economies. We think that a powerful country should realize its responsibility and establish some macro-policies. This move is a risk for the capital market of the emerging economies."

The G20 Summit kicks off in Seoul, South-Korea this week. According to the Chinese vice Minister of Commerce, consolidating reforms, and finding effective measures

to stimulate the development of global economy.

Yi Xiaozhun, Vice-Minister of Ministry of Commerce said "In fact, the world economy is slowly recovering. We face many new problems in development. For instant, the friction in trade affairs, we should respect the accords achieved by the G20 and find some measures to realize a positive situation."

Yi Xiaozhun also indicates a strong, continuable and balanced development are essential opinions posed by China at the G20 Summit.

The post-crisis period is full of complexity. Some experts say the G20 meeting may serve as a key to understanding the transition and development of the world pattern. China, one of the emerging economies says it will take its responsibility in the global economy, and show its position at the Seoul Summit.