| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 480170.0 | USD | 20191221 |
| Unknown | China national standards | MT | 68850.0 | USD | 20191220 |
| Unknown | China national standards | MT | 478570.0 | USD | 20191212 |
| Unknown | China national standards | MT | 484440.0 | USD | 20191210 |
| Unknown | China national standards | MT | 68200.0 | USD | 20191201 |
| Unknown | China national standards | MT | 68200.0 | USD | 20191201 |
| Unknown | China national standards | MT | 68730.0 | USD | 20191201 |
| Unknown | China national standards | MT | 483660.0 | USD | 20191201 |
| Unknown | China national standards | MT | 483660.0 | USD | 20191201 |
| Unknown | China national standards | MT | 68730.0 | USD | 20191201 |