National Standard of the People's Republic of China - Industrial Classification for National Economic Activities (GB/T 4754-2017) - China
31 Ferrous metal smelting and rolling processing
Code 31 covers the entire process of extracting iron from ore and converting it into steel, including primary smelting, refining, casting, and subsequent hot-rolling or cold-rolling to produce finished ferrous products such as bars, plates, sheets and profiles. It encompasses enterprises engaged in integrated steelmaking and rolling operations that transform raw iron into usable metal forms.
Level 1
Is your business really a 31?Classify itWhere 31 sits in the GB/T 4754-2017 hierarchy
- >C Manufacturing
- >31 Ferrous metal smelting and rolling processing
- >31 Ferrous metal smelting and rolling processing
Other GB/T 4754-2017 codes under 31 Ferrous metal smelting and rolling processing
- 13Agricultural and sideline food processing
- 14Food manufacturing
- 15Wine, beverages and refined tea manufacturing
- 16Tobacco product manufacturing
- 17Textile industry
- 18Textile apparel, clothing manufacturing
- 19Leather, fur, feather and footwear manufacturing
- 20Wood processing, wood, bamboo, rattan, palm and grass products
- 21Furniture manufacturing
- 22Paper and paper products industry
- 23Printing and recording media reproduction
- 24Culture, education, sports and entertainment products
- 25Petroleum, coal and other fuel processing
- 26Chemical raw materials and chemical products manufacturing
- 27Pharmaceutical manufacturing
- 28Chemical fiber manufacturing
- 29Rubber and plastics products industry
- 30Non-metallic mineral products industry
- 32Non-ferrous metal smelting and rolling processing
- 33Metal products industry
- 34General equipment manufacturing
- 35Special equipment manufacturing
- 36Automobile manufacturing
- 37Railway, shipbuilding, aerospace and other transportation equipment
- 38Electrical machinery and equipment manufacturing
- 39Computer, communication and other electronic equipment
- 40Measuring instrument and machinery manufacturing
- 41Other manufacturing
- 42Comprehensive utilization of waste resources
- 43Metal products, machinery and equipment repair
Frequently asked questions
- What is GB/T 4754-2017 31?
- GB/T 4754-2017 31 is "Ferrous metal smelting and rolling processing". Code 31 covers the entire process of extracting iron from ore and converting it into steel, including primary smelting, refining, casting, and subsequent hot-rolling or cold-rolling to produce finished ferrous products such as bars, plates, sheets and profiles. It encompasses enterprises engaged in integrated steelmaking and rolling operations that transform raw iron into usable metal forms.
- What is the parent category of 31?
- 31 Ferrous metal smelting and rolling processing sits under 31 Ferrous metal smelting and rolling processing in the GB/T 4754-2017 hierarchy.
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