| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Unknown | China national standards | MT | USD | 20200501 | |
| Unknown | China national standards | MT | USD | 20200420 | |
| Unknown | China national standards | MT | USD | 20200419 | |
| Unknown | China national standards | MT | USD | 20200418 | |
| Unknown | China national standards | MT | USD | 20200414 | |
| Unknown | China national standards | MT | USD | 20200412 | |
| Unknown | China national standards | MT | USD | 20200401 | |
| Unknown | China national standards | MT | USD | 20200321 | |
| Unknown | China national standards | MT | USD | 20200321 | |
| Unknown | China national standards | MT | USD | 20200316 |
