| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 150.0 | USD | 20200517 |
| Unknown | China national standards | MT | 140.0 | USD | 20200515 |
| Unknown | China national standards | MT | 110.0 | USD | 20200513 |
| Unknown | China national standards | MT | 100.0 | USD | 20200512 |
| Unknown | China national standards | MT | 1060.0 | USD | 20200510 |
| Unknown | China national standards | MT | 100.0 | USD | 20200510 |
| Unknown | China national standards | MT | 1080.0 | USD | 20200501 |
| Unknown | China national standards | MT | 140.0 | USD | 20200501 |
| Unknown | China national standards | MT | 110.0 | USD | 20200501 |
| Unknown | China national standards | MT | 150.0 | USD | 20200501 |