| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 25330.0 | USD | 20180413 |
| Unknown | China national standards | MT | 31930.0 | USD | 20180413 |
| Unknown | China national standards | MT | 4000.0 | USD | 20180412 |
| Unknown | China national standards | MT | 25260.0 | USD | 20180410 |
| Unknown | China national standards | MT | 26100.0 | USD | 20180401 |
| Unknown | China national standards | MT | 5040.0 | USD | 20180401 |
| Unknown | China national standards | MT | 24760.0 | USD | 20180322 |
| Unknown | China national standards | MT | 3980.0 | USD | 20180317 |
| Unknown | China national standards | MT | 3880.0 | USD | 20180314 |
| Unknown | China national standards | MT | 3880.0 | USD | 20180301 |