| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1090.0 | USD | 20180401 |
| Unknown | China national standards | MT | 1140.0 | USD | 20180401 |
| Unknown | China national standards | MT | 6990.0 | USD | 20180323 |
| Unknown | China national standards | MT | 6960.0 | USD | 20180322 |
| Unknown | China national standards | MT | 7910.0 | USD | 20180320 |
| Unknown | China national standards | MT | 1100.0 | USD | 20180320 |
| Unknown | China national standards | MT | 1090.0 | USD | 20180316 |
| Unknown | China national standards | MT | 1100.0 | USD | 20180313 |
| Unknown | China national standards | MT | 7880.0 | USD | 20180310 |
| Unknown | China national standards | MT | 1090.0 | USD | 20180301 |