| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3580.0 | USD | 20180119 |
| Unknown | China national standards | MT | 25650.0 | USD | 20180118 |
| Unknown | China national standards | MT | 3570.0 | USD | 20180118 |
| Unknown | China national standards | MT | 26990.0 | USD | 20180117 |
| Unknown | China national standards | MT | 3560.0 | USD | 20180115 |
| Unknown | China national standards | MT | 4040.0 | USD | 20180114 |
| Unknown | China national standards | MT | 25440.0 | USD | 20180113 |
| Unknown | China national standards | MT | 4050.0 | USD | 20180113 |
| Unknown | China national standards | MT | 4040.0 | USD | 20180113 |
| Unknown | China national standards | MT | 3810.0 | USD | 20180111 |