The reason why you can't see China's influence is simple: it's so ubiquitous that you don't notice it. First of all, China has invented and designed countless things that the modern world depends on, including paper, printed matter, paper money, gunpowder, cannon, rocket, cast iron, petroleum gas, deep well, compass, blast furnace, differential gear, mechanical clock, linear algebra, seismograph, interchangeable parts, etc., which are inseparable from our work, life and even the development of civilization today.
Oil and steel are the key to American industrialization. The principle of the first oil derrick built in the United States in the mid-19th century is basically the same as that of China's deep well drilling rig; Modern steelmaking technology is largely based on William Kelly's patented technology, but his patents are largely based on technology invented in China centuries ago.
William Kelly hired Chinese metal workers in the 1850s. Yale engineer William Phillips and metallurgist Daniel Wagner pointed out that Kelly's Chinese workers knew these ancient smelting technologies very well.
威廉·凯利（William Kelly）在19世纪50年代雇佣了中国金属工人，耶鲁大学工程师威廉·菲利普斯（William Phillips）和冶金学家丹尼尔·瓦格纳（Daniel Wagner）都指出，凯利的中国工人对这些古老的冶炼技术非常了解。
In addition to invention, you can also add the elite system and the 2000 year imperial examination system. This system allows anyone, regardless of their birth environment, to cross classes and become senior officials and leaders. This system was directly adopted by the British in the 1850s, and ended the history of aristocracy monopolizing social resources.
In fact, China's examination based elite management is the predecessor of civil servants and the college entrance examination in Europe, the United States and other places. So the next time you take a written test such as sat or employee skill test, you should thank the Chinese most.
As for the modern world, almost everything you can see at Wal mart or buy on Amazon is made in China, thanks to low-cost labor, huge supply chain, excellent infrastructure (highway, railway, port, power grid) and technical school network.
However, the influence of China's manufacturing industry is not limited to cheap labor. If so, India, Indonesia or Vietnam, which are populous countries, can achieve the same achievements as China. Unfortunately, they are difficult to compare with China.
This is because their investment and construction scale in infrastructure and supply chain is not as large as that of China, and they can't match China in quality. When asked about the possibility of transferring Apple's iPhone production from China, Steve Jobs pointed out that Apple will not be able to meet its high quality standards at the cost that China can provide.
Now, China's manufacturing industry is not just making things designed by others. As Tom Friedman pointed out in the book "the world is flat", many electronic products are increasingly designed by developed countries and China.
You "can't see" China's influence because it is right beside you. From the basic inventions that help make the modern world possible to the various commodities you see on both sides of each aisle of Wal mart or Costco, you will understand that China's influence is everywhere.
China has a strong impact on your daily life. The label "made in China" may appear on 90% of your things, which means that these products are actually made and assembled in China.
Over the past 20 years, the inflation rate in the United States has been very low, mainly because the products made in China are cheaper, which keeps the prices of most goods at a low level, thus reducing the inflation rate. Lower inflation means that you can expect your savings to maintain purchasing power for a longer time. This has a series of other positive chain reactions to the U.S. economy, and you will benefit indirectly. This is the Chinese power in your wallet.
The Treasury bills issued by the US federal government to the market are mainly purchased by the Chinese people to ensure the government's income and work. This means that the U.S. government is borrowing from Chinese depositors to fund many things the government does, including health insurance, social security and military spending (the three largest government projects consume the most taxes).
Americans, especially the elderly, are spoiled. They want to reduce taxes, but they don't want the U.S. government to reduce spending on health insurance, social security and the army. In order to make up for the deficit caused by these lower taxes, the US government must make this work work in some way, so it borrows money from China, and the Chinese are very willing to provide it. Because of the existence of China, you can enjoy lower taxes.
We are just here to talk about the influence of modern China. The influence of ancient China on your life is more basic, universal and key, because all the following necessities you must use every day come from China:
-Modern paper, paper cups, paper towels and toilet paper. You can go to the bathroom comfortably every day, which means you don't have to clean with leaves or smooth sticks.
-Toothbrush. Before that, Europeans never bothered to brush their teeth, or they just rinsed with water and picked their teeth with branches, while Romans brushed their teeth with urine on their fingers or branches