The power industry is an industrial sector that converts various types of primary energy into electrical energy through power generation facilities and delivers it to end-users. It is an important foundational industry of the national economy.

Water treatment refers to the physical and chemical measures taken to make the water meet certain usage standards. The minimum standards for drinking water are set by the environmental protection department, while industrial water has its own requirements.

The metallurgical industry refers to the industrial sector that mines, selects, and sinter metal ores, and then refines and processes them into metallic materials. Including two major categories: black metallurgy industry and non-ferrous metallurgy industry, it is an important field of raw material industry.

The petroleum industry is an industrial sector that involves the extraction of petroleum (including natural petroleum, oil shale, and natural gas) and its processing and refining. It consists of units such as oilfield geological exploration, oilfield development, oil extraction, transportation, and refining and processing. Petroleum is the "blood" of industry and an important industrial energy source.

New energy refers to renewable energy that can be systematically developed and utilized based on new technologies, including solar energy, wind energy, hydro energy, biomass energy, geothermal energy, ocean energy, nuclear energy, etc.

The shipbuilding industry refers to the sector that designs, builds, and maintains various types of ships and related equipment. It encompasses shipyards, manufacturers of marine equipment, and related service industries, including sub-sectors such as ship design, shipbuilding, ship repair, manufacturing of ship-related equipment, ship trading, and shipping management.

The pharmaceutical industry mainly involves the research, production and sales of chemical raw drugs and preparations, Chinese medicinal materials, Chinese herbal decoctions, Chinese patent medicines, antibiotics, biological products, biochemical drugs, and radioactive drugs. It plays a crucial role in safeguarding human health and improving the quality of life.

The chemical industry is a general term for enterprises and units engaged in the production and development of the chemical industry. The chemical industry permeates various aspects and is an indispensable and important component of the national economy. Its development is of great practical significance for human economic and social development by following the path of sustainable development.