| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 580.0 | USD | 20180401 |
| Unknown | China national standards | MT | 620.0 | USD | 20180401 |
| Unknown | China national standards | MT | 510.0 | USD | 20180401 |
| Unknown | China national standards | MT | 3810.0 | USD | 20180323 |
| Unknown | China national standards | MT | 3840.0 | USD | 20180322 |
| Unknown | China national standards | MT | 610.0 | USD | 20180322 |
| Unknown | China national standards | MT | 510.0 | USD | 20180322 |
| Unknown | China national standards | MT | 600.0 | USD | 20180321 |
| Unknown | China national standards | MT | 3760.0 | USD | 20180320 |
| Unknown | China national standards | MT | 4110.0 | USD | 20180320 |