| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1520.0 | USD | 20180319 |
| Unknown | China national standards | MT | 1520.0 | USD | 20180319 |
| Unknown | China national standards | MT | 520.0 | USD | 20180317 |
| Unknown | China national standards | MT | 400.0 | USD | 20180316 |
| Unknown | China national standards | MT | 840.0 | USD | 20180316 |
| Unknown | China national standards | MT | 810.0 | USD | 20180315 |
| Unknown | China national standards | MT | 130.0 | USD | 20180315 |
| Unknown | China national standards | MT | 130.0 | USD | 20180313 |
| Unknown | China national standards | MT | 850.0 | USD | 20180312 |
| Unknown | China national standards | MT | 810.0 | USD | 20180312 |