| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5220.0 | USD | 20180122 |
| Unknown | China national standards | MT | 5150.0 | USD | 20180122 |
| Unknown | China national standards | MT | 5220.0 | USD | 20180120 |
| Unknown | China national standards | MT | 6490.0 | USD | 20180120 |
| Unknown | China national standards | MT | 7070.0 | USD | 20180120 |
| Unknown | China national standards | MT | 790.0 | USD | 20180120 |
| Unknown | China national standards | MT | 5490.0 | USD | 20180116 |
| Unknown | China national standards | MT | 980.0 | USD | 20180116 |
| Unknown | China national standards | MT | 5470.0 | USD | 20180115 |
| Unknown | China national standards | MT | 3790.0 | USD | 20180114 |