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| Codes | Industries |
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| 1 | Agriculture, forestry, animal husbandry and fishery |
| 2 | Coal mining and washing industry |
| 3 | Oil and gas extraction industry |
| 4 | Metal mining and dressing industry |
| 5 | Mining and dressing industry of nonmetallic mines and other mines |
| 6 | Food manufacturing and tobacco processing industry |
| 7 | Textile industry |
| 8 | Textile, clothing, shoes, hats, leather, down and its products |
| 9 | Wood processing and furniture manufacturing |
| 10 | Paper printing and cultural and educational sporting goods manufacturing industry |
| 11 | Petroleum processing, coking and nuclear fuel processing industries |
| 12 | Chemical industry |
| 13 | Nonmetallic mineral products industry |
| 14 | Metal smelting and rolling processing industry |
| 15 | Metal products industry |
| 16 | General and special equipment manufacturing industry |
| 17 | Transportation equipment manufacturing industry |
| 18 | Electrical machinery and equipment manufacturing industry |
| 19 | Communication equipment, computer and other electronic equipment manufacturing industry |
| 20 | Instrument and instrument and cultural office machinery manufacturing industry |
| 21 | Arts and crafts and other manufacturing industries (including waste products) |
| 22 | Production and supply of electricity and heat |
| 23 | Gas production and supply industry |
| 24 | Water production and supply industry |
| 25 | Construction industry |
| 26 | Transportation, warehousing and postal services |
| 27 | Wholesale, retail, accommodation, and catering |
| 28 | Other industries |
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