| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Unknown | China national standards | MT | USD | 20190617 | |
| Unknown | China national standards | MT | USD | 20190601 | |
| Unknown | China national standards | MT | USD | 20190523 | |
| Unknown | China national standards | MT | USD | 20190520 | |
| Unknown | China national standards | MT | USD | 20190517 | |
| Unknown | China national standards | MT | USD | 20190516 | |
| Unknown | China national standards | MT | USD | 20190513 | |
| Unknown | China national standards | MT | USD | 20190511 | |
| Unknown | China national standards | MT | USD | 20190501 | |
| Unknown | China national standards | MT | USD | 20190419 |
