The paper industry is an industrial sector that manufactures various types of paper and cardboard. It includes several aspects such as pulp manufacturing using wood, reed, sugarcane bagasse, straw, wheat straw, cotton straw, hemp stalks, cotton and other raw materials to produce pulp, paper and paperboard manufacturing, as well as processing paper manufacturing for coating, polishing, gluing, laminating and other processing paper and font paper plates. Papermaking is one of China's the Four Great Inventions.

The power industry is an industrial sector that converts primary energy sources such as coal, oil, natural gas, nuclear fuel, hydropower, ocean energy, wind energy, solar energy, biomass energy, etc. into electrical energy through power generation facilities, and then supplies it to users as energy through transmission, transformation, and distribution systems.

The food processing and manufacturing industry is the foundation of the food industry. This industry mainly involves processing raw materials into various types of food that people need in their daily lives, such as grain and oil processing, fruit and vegetable processing, meat product processing, etc.

The production department of chemical drugs consists of two parts: raw material drug production and drug formulation production. Raw materials are the material basis for drug production, but they must be processed into drug formulations suitable for use in order to become drugs.

Natural gas is a general term for mixed gases mainly composed of hydrocarbons that exist in underground rock reservoirs. It is a high-quality fuel and chemical raw material. Due to the increasing demand for clean energy in environmental protection and the impact of high oil prices, the natural gas industry has become a new economic growth point.

The environmental protection industry is a rapidly developing industry that has received increasing attention to environmental issues. It provides material basis and technological support for environmental protection, involving multiple fields such as air pollution control, water treatment, solid waste treatment, and noise control.

The chemical industry includes sectors such as chemical engineering, refining, metallurgy, energy, light industry, petrochemicals, environment, medicine, environmental protection, and military industry engaged in engineering design, fine and daily chemical engineering, energy and power, technology development, production technology management, and scientific research.

The metallurgical industry refers to the industrial sector that mines, selects, and sinter metal ores, and then refines and processes them into metallic materials.

The petroleum industry is an industrial sector that extracts and refines petroleum (including natural oil, shale oil, and natural gas). Composed of units involved in oilfield geological exploration, oilfield development, oil extraction, transportation, refining and processing. Petroleum is the "blood" of industry and an important industrial energy source.