The petroleum industry is an important part of the fuel industry, covering various stages such as exploration, extraction, refining, storage and transportation of natural petroleum and oil shale, and providing various fuel oils for all sectors of the national economy.

The chemical industry refers to all enterprises and units engaged in the production and development of chemical industries. The chemical industry permeates all aspects and is an indispensable and important component of the national economy. Its development, following the path of sustainable development, holds significant practical importance for the economic and social development of mankind.

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

The water treatment industry involves purifying, softening, disinfecting, and removing iron and manganese from water that does not meet the standards. It also involves removing heavy metal ions and filtering, which is an important field to meet the diverse water usage demands.

Natural gas is a clean and efficient fossil energy source, with methane as its main component. It covers the entire industrial chain from the exploration, development, production, purification, storage, transportation, sale and utilization of natural gas. It holds an important position in the global energy structure.

The food and beverage industry is a core livelihood industry that runs through people's daily lives. It uses raw materials such as agricultural products, livestock and poultry products, and aquatic products as its core ingredients. Through processing, manufacturing, packaging and other steps, it produces various products for human consumption or drinking. It holds an important position in the national economy and the capital market.

The pharmaceutical industry refers to the sector that involves drug research, production, sales and after-sales services. It covers various fields such as chemical pharmaceuticals, biopharmaceuticals, and traditional Chinese medicine, and plays a crucial role in safeguarding human health and improving the quality of life.

New energy refers to renewable energy that can be systematically exploited based on new technologies, including solar energy, wind energy, hydropower, biomass energy, geothermal energy, ocean energy, nuclear energy, etc.