| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 460.0 | USD | 20180318 |
| Unknown | China national standards | MT | 460.0 | USD | 20180317 |
| Unknown | China national standards | MT | 50.0 | USD | 20180316 |
| Unknown | China national standards | MT | 50.0 | USD | 20180315 |
| Unknown | China national standards | MT | 2950.0 | USD | 20180313 |
| Unknown | China national standards | MT | 1650.0 | USD | 20180312 |
| Unknown | China national standards | MT | 1650.0 | USD | 20180311 |
| Unknown | China national standards | MT | 510.0 | USD | 20180301 |
| Unknown | China national standards | MT | 10460.0 | USD | 20180301 |
| Unknown | China national standards | MT | 510.0 | USD | 20180301 |