| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Unknown | China national standards | MT | USD | 20190701 | |
| Unknown | China national standards | MT | USD | 20190615 | |
| Unknown | China national standards | MT | USD | 20190614 | |
| Unknown | China national standards | MT | USD | 20190601 | |
| Unknown | China national standards | MT | USD | 20190601 | |
| Unknown | China national standards | MT | USD | 20190522 | |
| Unknown | China national standards | MT | USD | 20190518 | |
| Unknown | China national standards | MT | USD | 20190511 | |
| Unknown | China national standards | MT | USD | 20190510 | |
| Unknown | China national standards | MT | USD | 20190501 |
