Beijing-Sana China called on the member states of the Group of Twenty to work together to achieve stability in the world in the face of risks and challenges, and to avoid politicizing or militarizing the global economy. Xinhua News Agency quoted Chinese Finance Minister Liu Kun as saying in a speech during the meeting of finance ministers and central bank governors of the Group of Twenty, which was held in Washington via video link yesterday and today.. G20 members should commit to improving the international system backed by international law with the United Nations at its core and to avoid…