| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 130.0 | USD | 20200323 |
| Unknown | China national standards | MT | 140.0 | USD | 20200322 |
| Unknown | China national standards | MT | 120.0 | USD | 20200321 |
| Unknown | China national standards | MT | 910.0 | USD | 20200320 |
| Unknown | China national standards | MT | 140.0 | USD | 20200317 |
| Unknown | China national standards | MT | 2310.0 | USD | 20200316 |
| Unknown | China national standards | MT | 820.0 | USD | 20200315 |
| Unknown | China national standards | MT | 850.0 | USD | 20200314 |
| Unknown | China national standards | MT | 2310.0 | USD | 20200313 |
| Unknown | China national standards | MT | 330.0 | USD | 20200313 |