The petroleum industry is an industrial sector that extracts and refines petroleum (including natural oil, shale oil, and natural gas). Petroleum is the "blood" of industry and an important industrial energy source.

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.

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 shipbuilding industry is an industrial sector that manufactures various types of ships. The shipbuilding industry is a comprehensive industry that provides technical equipment for the shipping industry, ocean development, and national defense construction. It plays a strong driving role in the development and expansion of key industries such as steel, petrochemicals, light industry, textiles, equipment manufacturing, and electronic information exports.

A power station is a factory that converts various primary energy sources in nature into electrical energy (secondary energy). The development of motor manufacturing technology, the expansion of the application scope of electric energy, and the rapid growth of production demand for electricity have led to the emergence of power plants.

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 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.

New energy, also known as unconventional energy, refers to various forms of energy other than traditional energy. Refers to newly developed or actively researched energy sources that need to be promoted, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy, and nuclear fusion energy.