All countries should open wider to other countries, take a clear-cut stand against all forms of protectionism, and work in concert to enlarge the pie of the world economy, Chinese Premier Li Keqiang said on Wednesday. Li made the remarks while addressing the opening ceremony of the three-day Summer Davos in the northeastern port city of Dalian. Li said China is ready to take a more active part in international governance, share experience with and offer more assistance to fellow developing countries, as well as contributing to a strong, sustainable and balanced world economy. But the international responsibilities and obligations China undertakes must be commensurate with its level of development, the premier added. In the face of the difficulties and setbacks in the global economic recovery, members of the international community should increase coordination on macro economic policies and the readiness to cope with the cross-border financial risks, the premier said. Efforts should be taken to minimize the possible adverse impact of the macro-economic policy adjustments by some countries on the entire world economy, especially on emerging market economies and developing countries, according to the premier. Li said China will continue to encourage foreign companies to make investment and do business in China, vowing to create \"an environment in which all players have equal access to factors of production, market competition and legal protection while taking up social responsibilities together.\"