| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 25910.0 | USD | 20180214 |
| Unknown | China national standards | MT | 26000.0 | USD | 20180211 |
| Unknown | China national standards | MT | 4050.0 | USD | 20180201 |
| Unknown | China national standards | MT | 1140.0 | USD | 20180123 |
| Unknown | China national standards | MT | 28580.0 | USD | 20180122 |
| Unknown | China national standards | MT | 4330.0 | USD | 20180122 |
| Unknown | China national standards | MT | 9520.0 | USD | 20180120 |
| Unknown | China national standards | MT | 1440.0 | USD | 20180116 |
| Unknown | China national standards | MT | 1430.0 | USD | 20180115 |
| Unknown | China national standards | MT | 1120.0 | USD | 20180110 |