| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 690.0 | USD | 20191201 |
| Unknown | China national standards | MT | 440.0 | USD | 20191201 |
| Unknown | China national standards | MT | 100.0 | USD | 20191201 |
| Unknown | China national standards | MT | 430.0 | USD | 20191201 |
| Unknown | China national standards | MT | 100.0 | USD | 20191201 |
| Unknown | China national standards | MT | 440.0 | USD | 20191201 |
| Unknown | China national standards | MT | 60.0 | USD | 20191123 |
| Unknown | China national standards | MT | 710.0 | USD | 20191123 |
| Unknown | China national standards | MT | 90.0 | USD | 20191122 |
| Unknown | China national standards | MT | 100.0 | USD | 20191122 |