| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 740.0 | USD | 20180401 |
| Unknown | China national standards | MT | 440.0 | USD | 20180401 |
| Unknown | China national standards | MT | 840.0 | USD | 20180323 |
| Unknown | China national standards | MT | 330.0 | USD | 20180322 |
| Unknown | China national standards | MT | 2100.0 | USD | 20180319 |
| Unknown | China national standards | MT | 840.0 | USD | 20180318 |
| Unknown | China national standards | MT | 740.0 | USD | 20180316 |
| Unknown | China national standards | MT | 4700.0 | USD | 20180314 |
| Unknown | China national standards | MT | 4680.0 | USD | 20180301 |
| Unknown | China national standards | MT | 5310.0 | USD | 20180301 |