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.

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.

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 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.

The water treatment industry is about purifying, softening, disinfecting, and removing iron and manganese from water that does not meet the requirements. Removing heavy metal ions and filtering a project. Important areas to meet different water needs.

The pharmaceutical industry refers to the industry engaged in drug research and development, production, sales, and after-sales service, covering multiple fields such as chemical pharmaceuticals, biopharmaceuticals, and traditional Chinese medicine. It plays a crucial role in safeguarding human health and improving quality of life.

The construction industry refers to the material production sector engaged in the survey, design, construction, and maintenance of existing buildings in the national economy. The main function of the construction industry is to carry out construction and installation activities for various building materials, components, machinery and equipment, and to build productive and non productive fixed assets for the national economy.

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.