How does China contribute to the global economy?非翻译.言简意赅,分条叙

1。China is becoming the biggestIt manufacturing factory of the world with the cheapest labour force。It helps to reduce the price of the products globally。
2。China is becoming the biggest travelling and turism market in the world,offering lots of the attractions with the lowest cost。
3。China has exported raw materials for the modern industry to the different countries of the world,supporting the development of the modern industry。
4。China has a great population,with part of it becoming the oversea students,supporting the local economy in different countries。