| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20190422 |
| Unknown | China national standards | MT | 2310.0 | USD | 20190422 |
| Unknown | China national standards | MT | 10.0 | USD | 20190422 |
| Unknown | China national standards | MT | 890.0 | USD | 20190421 |
| Unknown | China national standards | MT | 290.0 | USD | 20190421 |
| Unknown | China national standards | MT | 250.0 | USD | 20190421 |
| Unknown | China national standards | MT | 80.0 | USD | 20190421 |
| Unknown | China national standards | MT | 470.0 | USD | 20190421 |
| Unknown | China national standards | MT | 70.0 | USD | 20190420 |
| Unknown | China national standards | MT | 180.0 | USD | 20190420 |