Research Article

Construction and Structural Analysis of Inter-Regional Industrial Circular Network: A Case of the Middle and Lower Reaches of the Yellow River in China

Table 2

Industrial sector classification and number.

No.Industrial sector

1Mining and washing of coal
2Extraction of crude petroleum and natural gas
3Mining of metal ores
4Mining and quarrying of nonmetallic mineral and other mineral
5Manufacture of food and tobacco
6Manufacture of textiles
7Manufacture of textile wearing apparel, footwear, leather, fur, feather, and its products
8Processing of timbers and manufacture of furniture
9Papermaking, printing and manufacture of articles for culture, education, and sports activities
10Manufacture of refined petroleum, coke products, processing of nuclear fuel
11Manufacture of chemical raw materials and chemical products
12Manufacture of nonmetallic mineral products
13Manufacture and processing of metals
14Manufacture of fabricated metal products, except machinery and equipment
15Manufacture of general-purpose machinery
16Manufacture of special-purpose machinery
17Manufacture of transport equipment
18Manufacture of electrical machinery and apparatus
19Manufacture of communication equipment, computer, and other electronic equipment
20Manufacture of measuring instruments
21Other manufacture and comprehensive utilization of waste
22Repair of fabricated metal products, machinery, and equipment
23Production and supply of electricity and steam
24Production and distribution of gas
25Production and distribution of water