| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4770.0 | USD | 20180318 |
| Unknown | China national standards | MT | 2050.0 | USD | 20180318 |
| Unknown | China national standards | MT | 4790.0 | USD | 20180315 |
| Unknown | China national standards | MT | 2930.0 | USD | 20180314 |
| Unknown | China national standards | MT | 2060.0 | USD | 20180313 |
| Unknown | China national standards | MT | 320.0 | USD | 20180311 |
| Unknown | China national standards | MT | 1840.0 | USD | 20180311 |
| Unknown | China national standards | MT | 290.0 | USD | 20180310 |
| Unknown | China national standards | MT | 360.0 | USD | 20180310 |
| Unknown | China national standards | MT | 320.0 | USD | 20180301 |