1. The second largest economy in the world: China is the second largest economy in the world, second only to the United States. China's gross domestic product (GDP) ranks second in the world and has made great contributions to the world economy.

2. The world's largest exporter: China is the world's largest exporter, and products made in China are exported to the whole world and become global manufacturing factories. The diversification of China's export commodities, including electronic products, machinery and equipment, clothing and household appliances, has played a positive role in promoting the development of world trade.

3. The world's largest commodity consumption market: China is the world's largest commodity consumption market, with a huge middle-income population and a growing middle class. The strong demand in China's domestic market has attracted manufacturers of various goods and services from all over the world to compete and promoted the development of global commodity trade.

4. The largest foreign exchange reserve country in the world: China has the largest foreign exchange reserve country in the world. China's huge foreign exchange reserves give China a strong financial strength in the international financial market, and also provide support for China to exert its influence in international affairs.

5. World manufacturing center: China is the world manufacturing center, and China's manufacturing development level and production capacity occupy a leading position in the world. The contribution of China's manufacturing industry to the global industrial chain cannot be ignored. Many multinational companies set up production bases in China to meet the needs of the global market.

6. The rise of world innovation: China has made great progress in scientific and technological innovation, becoming one of the fastest-growing countries in the world. China has made great breakthroughs in the fields of artificial intelligence, high-tech manufacturing and green energy, which has provided new impetus for the development of science and technology in the world.

Generally speaking, China's position in the world economic system is increasing day by day, not only because of China's huge economic scale, but also because China has world-class innovation ability, market demand and trade activities. China's influence in international affairs has also increased. It has actively participated in the construction and reform of the global governance system and made positive contributions to world peace and prosperity.