BEIJING -- China will bring more win-win results by expanding its opening-up and enhance support to foreign investors, an official said Saturday.

China believes in making the economic pie bigger and sharing it better through openness and cooperation, instead of pursuing a "zero sum" game, Han Wenxiu, an official of the Central Financial and Economic Affairs Commission, said at the ongoing 20th China Development Forum.

China will pursue sustained progress in the Belt and Road Initiative under the commitment to achieving shared benefits through extensive consultation and joint contribution, and have more partners join and benefit from its development, Han said.

It will also create more opportunities and platforms for trilateral and multi-party cooperation for more win-win outcomes, he said.

The country will continue to shorten the negative-list to open up more sectors and ensure national treatment for foreign investors, and will step up legal protection of intellectual property rights and punishment for infringements, he said.

The country will accelerate making relevant rules for the foreign investment law, level the playing field for foreign and domestic enterprises, and take on the issues of balance and structure in foreign trade, Han said.

Higher-level opening-up will promote China's economic structural reform and high-quality development, he said, adding that the country will turn external pressure into internal strength.

The three-day China Development Forum, which kicked off Saturday, will focus on key issues such as the supply-side structural reform, new measures of proactive fiscal policy, and the opening-up of the financial sector and financial stability.

More than 50 officials from the Chinese central government's departments and over 150 overseas delegates will participate in the forum, including 96 executives from the world's leading companies and nearly 30 globally well-known scholars.