ICNEA 3731—Metal shipbuilding

Where 3731 sits

1. C Manufacturing industry
2. 37 Railway, shipbuilding, aerospace and other transportation equipment manufacturing industries
3. 373 Ship and related equipment manufacturing
4. 3731 Metal shipbuilding

What 3731 includes

• Refers to the manufacture of metal ships that use various metals such as steel and aluminum as the main materials to build ocean-going, offshore or inland rivers and lakes for civilian or military departments.
• Including manufacturing activities for the following metal ships：
• Civil steel ships: steel cargo ships, steel non-cargo ships;
• Steel motor cargo ships: crude oil ships, refined petroleum ships, chemical ships, liquefied petroleum gas (LPG) ships, liquefied natural gas (L NG) ships, bulk carriers, general cargo ships (motor multi-purpose ships), dual-purpose ships, container ships, refrigerated ships, ro-ro ships, car carriers, other steelQuality motor cargo ship;
• Steel motorized non-cargo ships: strait ferries, passenger ships, fishing boats (fishing boats (fishing boats), fishery auxiliary ships), engineering (work) ships (patrol ships, tugs, top pushers, dredgers, lifting ships, beacon ships (light ships), fire fighting ships, subsea drilling ships,Salvage ships, icebreakers, pipe laying ships, pilot ships, traffic boats, lifeboats, other engineering (work) ships), and other steel motorized non-cargo ships;
• Steel non-motorized boats: steel barges, floating docks;
• Aluminum alloy ship;
• Other metal ships;
• The following product manufacturing activities are included in this category;
• Special ships and equipment for operation and maintenance.

What 3731 excludes

• Amphibious motor vehicles, included in 3630 (modified automobile manufacturing);
• The manufacture of non-metallic ships such as cement ships, wooden ships, rubber ships, glass fiber reinforced plastic ships, etc., is included in 3732 (Non-metallic ship manufacturing);
• Ship repair, included in 4342 (ship repair);
• The construction and repair of recreational and sports boats are included in the related categories of 3733 (manufacturing of recreational and sports boats) and 4342 (ship repair);
• The manufacture of particle accelerators with resistors, signal generators, mine detectors, electric mine searchers, and other electrical machinery and devices used on ships is included in 3899 (other manufacturing of electrical machinery and equipment not specified).

3731 in other systems