2522 Manufacture of other tanks, reservoirs and containers of metal

25.22.1 Other tanks, reservoirs and containers of metal
25.22.11 Reservoirs, tanks, vats and similar containers (other than for compressed or liquefied gas), of iron, steel or aluminium, of a capacity > 300 litres, not fitted with mechanical or thermal equipment
25.22.12 Containers for compressed or liquefied gas, of metal
25.22.9 Sub-contracted operations as part of manufacturing of other tanks, reservoirs and containers of metal
25.22.99 Sub-contracted operations as part of manufacturing of other tanks, reservoirs and containers of metal