| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 24410.0 | USD | 20180501 |
| Unknown | China national standards | MT | 36050.0 | USD | 20180501 |
| Unknown | China national standards | MT | 18050.0 | USD | 20180501 |
| Unknown | China national standards | MT | 24410.0 | USD | 20180501 |
| Unknown | China national standards | MT | 22550.0 | USD | 20180421 |
| Unknown | China national standards | MT | 18350.0 | USD | 20180420 |
| Unknown | China national standards | MT | 18350.0 | USD | 20180413 |
| Unknown | China national standards | MT | 3560.0 | USD | 20180411 |
| Unknown | China national standards | MT | 2890.0 | USD | 20180411 |
| Unknown | China national standards | MT | 3550.0 | USD | 20180410 |