| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1200.0 | USD | 20200323 |
| Unknown | China national standards | MT | 1390.0 | USD | 20200322 |
| Unknown | China national standards | MT | 1200.0 | USD | 20200319 |
| Unknown | China national standards | MT | 160.0 | USD | 20200318 |
| Unknown | China national standards | MT | 1120.0 | USD | 20200317 |
| Unknown | China national standards | MT | 1120.0 | USD | 20200317 |
| Unknown | China national standards | MT | 170.0 | USD | 20200317 |
| Unknown | China national standards | MT | 170.0 | USD | 20200316 |
| Unknown | China national standards | MT | 170.0 | USD | 20200316 |
| Unknown | China national standards | MT | 200.0 | USD | 20200301 |