| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5410.0 | USD | 20200323 |
| Unknown | China national standards | MT | 820.0 | USD | 20200322 |
| Unknown | China national standards | MT | 790.0 | USD | 20200321 |
| Unknown | China national standards | MT | 770.0 | USD | 20200319 |
| Unknown | China national standards | MT | 830.0 | USD | 20200317 |
| Unknown | China national standards | MT | 810.0 | USD | 20200316 |
| Unknown | China national standards | MT | 5560.0 | USD | 20200315 |
| Unknown | China national standards | MT | 800.0 | USD | 20200314 |
| Unknown | China national standards | MT | 5530.0 | USD | 20200310 |
| Unknown | China national standards | MT | 5480.0 | USD | 20200310 |