| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 650.0 | USD | 20201201 |
| Unknown | China national standards | MT | 760.0 | USD | 20201201 |
| Unknown | China national standards | MT | 640.0 | USD | 20201201 |
| Unknown | China national standards | MT | 680.0 | USD | 20201201 |
| Unknown | China national standards | MT | 100.0 | USD | 20201123 |
| Unknown | China national standards | MT | 100.0 | USD | 20201121 |
| Unknown | China national standards | MT | 100.0 | USD | 20201121 |
| Unknown | China national standards | MT | 100.0 | USD | 20201117 |
| Unknown | China national standards | MT | 100.0 | USD | 20201116 |
| Unknown | China national standards | MT | 690.0 | USD | 20201111 |