Aerospace is the product of human expansion of the atmosphere and space. After more than a hundred years of rapid development, aerospace has become one of the most active and influential scientific and technological fields in the 21st century. The major achievements in this field mark the latest development of human civilization and the advanced level of a country's science and technology.

The petrochemical industry covers the entire industrial chain from the exploitation, processing and transportation of oil and gas to the production, sales and application of final products. Through a series of complex chemical reactions and processes, oil and gas are transformed into many chemical products with different properties and uses.

The food and pharmaceutical industry is an important industry closely related to people's health and life, covering the two major fields of food and medicine. Food engineering is a general term for engineering technology fields such as grain, oil processing, food manufacturing and beverage manufacturing. The pharmaceutical industry is not only a sector of the national economy, but also a social welfare undertaking for disease treatment, disease prevention, health care and family planning.

The mechanical engineering industry covers the whole process of design, manufacturing, operation, control and optimization of mechanical equipment. It is the foundation of industrial development and an important pillar of the national economy. Its development level reflects the country's industrialization and technological progress.

The shipbuilding industry, that is, the shipbuilding industry, is a modern comprehensive industry and a strategic industry that combines the military and the civilian. It is related to national economic development and national defense security. It provides necessary technical equipment for marine development, water transportation, energy transportation, national defense construction, etc. It is an indispensable and important component of China's manufacturing industry.

Marine engineering mainly involves the development of marine resources, marine structural design, marine environmental protection and other fields. It aims to make rational use of marine resources and develop marine space, including the development of energy, minerals and biological resources, as well as port construction, waterway dredging and other maritime transportation construction.

The semiconductor industry is the foundation and core of the global electronic information industry and occupies a vital position in the development of modern science and technology. The semiconductor industry is based on silicon, germanium, gallium arsenide and other materials to form various electronic components and integrated circuits through precision processes. Its products are the core carriers to support the development of modern electronic technology.

New energy, also known as unconventional energy, refers to various forms of energy other than traditional energy. It refers to the energy that has just been developed and utilized or is actively researched and needs to be promoted, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy and nuclear fusion energy.