| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20200511 |
| Unknown | China national standards | MT | 1170.0 | USD | 20200501 |
| Unknown | China national standards | MT | 3820.0 | USD | 20200501 |
| Unknown | China national standards | MT | 4870.0 | USD | 20200501 |
| Unknown | China national standards | MT | 4790.0 | USD | 20200423 |
| Unknown | China national standards | MT | 680.0 | USD | 20200422 |
| Unknown | China national standards | MT | 1000.0 | USD | 20200417 |
| Unknown | China national standards | MT | 680.0 | USD | 20200416 |
| Unknown | China national standards | MT | 1000.0 | USD | 20200416 |
| Unknown | China national standards | MT | 7020.0 | USD | 20200401 |