In the 18th century, the British Watt invented the steam engine, which triggered the first industrial revolution and created the era of replacing manual tools with machines. Humans have since entered the industrial age. After 1870, the development of science and technology advanced by leaps and bounds, and various new technologies and new inventions emerged in an endless stream, and were quickly applied to industrial production, greatly promoting economic development. This is the second industrial revolution. At that time, the outstanding development of science and technology was mainly manifested in three aspects, namely, the widespread application of electric power, the creation of internal combustion engines and new vehicles, and the invention of new communication means.
After entering the 21st century, with the development of science and technology and the development of the Internet of Things, intelligence has become a trend of technological development. As a major body of social economy, industry promotes the progress of society, and the development of science and technology is also developing in the direction of intelligence. The British published an article in The Economist, proclaiming the advent of the "third industrial revolution": the first industrial revolution in the UK at the end of the eighteenth century, replacing the manual with machines; in the early 20th century, Ford invented the perfect assembly line. Mass production has set off a second industrial revolution; the third industrial revolution is happening around us, and its core is “digital manufacturing”, which is “smart industry”. 
It is not enough for a manufacturing company to have advanced manufacturing capabilities. It must also be able to respond quickly to the market from the aspects of product development and production planning. The competitiveness of enterprises is a comprehensive problem. The computer can simulate all processes, verify design requirements in advance, and optimize the process with advanced technology. Informatization can be used to take off the wings for industrialization. To put it simply, the main content of manufacturing information technology is “five digitization”, including design digitization, digitalization of manufacturing equipment, digitization of production processes, management digitization and enterprise digitization. The key technologies of manufacturing enterprise informatization boil down to nine key technologies, namely digital, visual, network, virtual, collaborative, integrated, intelligent, green, and secure. With the globalization of the economy, the knowledge economy, the virtual visualization of products, and the deepening of the market model of collaborative commerce, the research and application of these nine key technologies are playing an increasingly important role in enterprise information engineering. Computer and network technology have brought about major changes and turnarounds in the manufacturing industry. In turn, the growing demand of the manufacturing industry has also driven the continuous development and advancement of digital technology in product development, manufacturing, and distribution.
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