| Reporter | TradeFlow | ProductCode | Product Description | Year | Partner | Trade Value 1000USD | Quantity | Quantity Unit |
| United Kingdom | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 23,069.68 | 7,284,350 | Kg |
| United States | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 16,695.82 | 3,102,780 | Kg |
| Spain | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 13,303.73 | 3,624,520 | Kg |
| France | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 9,040.96 | 4,612,820 | Kg |
| Belgium | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 4,419.53 | 599,633 | Kg |
| Burkina Faso | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 3,669.20 | 1,422,750 | Kg |
| Netherlands | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 3,623.36 | 332,368 | Kg |
| Morocco | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 3,040.78 | 551,788 | Kg |
| Italy | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 2,071.56 | 463,112 | Kg |
| Angola | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 1,373.78 | 283,720 | Kg |
| Mozambique | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 1,049.91 | 94,122 | Kg |
| Canada | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 1,030.95 | 252,235 | Kg |
| Turkey | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 1,029.99 | 277,049 | Kg |
| Senegal | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 1,029.53 | 441,618 | Kg |
| Finland | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 741.82 | 214,772 | Kg |
| Congo, Rep. | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 711.41 | 255,451 | Kg |
| Argentina | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 642.68 | 175,775 | Kg |
| Germany | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 613.26 | 142,527 | Kg |
| Panama | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 581.15 | 150,127 | Kg |
| Cameroon | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 478.41 | 172,682 | Kg |
| Greece | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 448.66 | 159,240 | Kg |
| Singapore | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 395.67 | 215,446 | Kg |
| United Arab Emirates | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 361.58 | 97,764 | Kg |
| Serbia, FR(Serbia/Montenegro) | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 345.01 | 107,409 | Kg |
| Cyprus | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 341.10 | 137,088 | Kg |
| Norway | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 313.87 | 66,647 | Kg |
| Hungary | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 260.47 | 46,624 | Kg |
| Israel | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 255.00 | 62,389 | Kg |
| Sri Lanka | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 236.83 | 56,668 | Kg |
| Oman | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 228.16 | 36,618 | Kg |
| Korea, Rep. | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 223.44 | 56,819 | Kg |
| Saudi Arabia | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 201.67 | 29,068 | Kg |
| Estonia | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 197.39 | 52,125 | Kg |
| Gabon | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 153.02 | 67,108 | Kg |
| Czech Republic | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 147.09 | 26,797 | Kg |
| South Africa | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 141.89 | 32,678 | Kg |
| Poland | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 121.99 | 6,285 | Kg |
| Cape Verde | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 121.38 | 8,456 | Kg |
| Ireland | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 102.44 | 1,338 | Kg |
| Iceland | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 94.56 | 23,150 | Kg |
| Mauritius | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 92.26 | 24,360 | Kg |
| Luxembourg | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 84.14 | 17,107 | Kg |
| Denmark | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 75.18 | 16,901 | Kg |
| Ukraine | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 71.46 | 14,823 | Kg |
| Bahrain | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 68.75 | 10,961 | Kg |
| Vietnam | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 63.03 | 15,420 | Kg |
| Romania | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 55.08 | 3,906 | Kg |
| Switzerland | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 54.56 | 7,778 | Kg |
| Cote d'Ivoire | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 53.60 | 10,094 | Kg |
| Japan | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 42.92 | 5,164 | Kg |
| Brazil | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 42.61 | 13,020 | Kg |
| North Macedonia | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 24.75 | 5,670 | Kg |
| Slovenia | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 19.90 | 4,240 | Kg |
| Latvia | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 19.28 | 7,114 | Kg |
| Russian Federation | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 11.62 | 1,660 | Kg |
| Mexico | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 10.55 | 3,085 | Kg |
| Madagascar | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 8.96 | 326 | Kg |
| Austria | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 2.70 | 231 | Kg |
| Azerbaijan | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 1.31 | 49 | Kg |
| Colombia | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 0.83 | 41 | Kg |
| China | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 0.58 | 100 | Kg |
| Bosnia and Herzegovina | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 0.47 | 110 | Kg |
| French Polynesia | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 0.35 | 84 | Kg |
| Chile | Import | 731100 | Empty medical gas cylinders, portable, for oxygen, fitted with a valve and a pressure and flow regulator | 2021 | Portugal | 0.09 | 1 | Kg |
