Marine engineering refers to new construction and reconstruction for the purpose of developing, utilising, protecting and restoring marine resources, and where the main body of the project is located on the seaward side of the coastline,

It is an important component of the chemical industry which plays an important role in the development of the national economy and is one of the pillar industrial sectors in China.

New energy sources are those that have just begun to be developed and utilised or are being actively researched and are yet to be promoted, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy and nuclear fusion energy.

Aviation refers to the navigational activities of vehicles, manned or unmanned, in the Earth's atmosphere; spaceflight refers to the navigational activities of spacecraft, manned or unmanned, outside the Earth's atmosphere.

The shipbuilding industry is a comprehensive industry that provides technical equipment for the shipping industry, marine development and national defence construction, and has a significant impact on steel, petrochemicals, light industry and textiles.

Medical devices are instruments, equipment, apparatus, in vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly in the human body.

Food processing refers to food processing activities such as grain milling, feed processing, vegetable oil and sugar processing, slaughtering and meat processing, etc., which are carried out directly from agricultural, forestry, animal husbandry and fishery products as raw materials.

Beer is a fermented wine containing carbon dioxide and foam formed by yeast fermentation using malt and water as the main raw materials, plus hops (including hops products).

The production process of chemical drugs consists of two parts: the production of APIs and the production of pharmaceutical preparations.