| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7510.0 | USD | 20191220 |
| Unknown | China national standards | MT | 1590.0 | USD | 20191219 |
| Unknown | China national standards | MT | 1070.0 | USD | 20191218 |
| Unknown | China national standards | MT | 7500.0 | USD | 20191214 |
| Unknown | China national standards | MT | 220.0 | USD | 20191201 |
| Unknown | China national standards | MT | 1590.0 | USD | 20191201 |
| Unknown | China national standards | MT | 220.0 | USD | 20191201 |
| Unknown | China national standards | MT | 1070.0 | USD | 20191201 |
| Unknown | China national standards | MT | 26820.0 | USD | 20191122 |
| Unknown | China national standards | MT | 3800.0 | USD | 20191117 |