| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 18270.0 | USD | 20180314 |
| Unknown | China national standards | MT | 18230.0 | USD | 20180312 |
| Unknown | China national standards | MT | 2870.0 | USD | 20180301 |
| Unknown | China national standards | MT | 2870.0 | USD | 20180301 |
| Unknown | China national standards | MT | 22930.0 | USD | 20180212 |
| Unknown | China national standards | MT | 3550.0 | USD | 20180211 |
| Unknown | China national standards | MT | 22920.0 | USD | 20180201 |
| Unknown | China national standards | MT | 3560.0 | USD | 20180201 |
| Unknown | China national standards | MT | 21960.0 | USD | 20180123 |
| Unknown | China national standards | MT | 32320.0 | USD | 20180120 |