| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2890.0 | USD | 20181116 |
| Unknown | China national standards | MT | 2890.0 | USD | 20181115 |
| Unknown | China national standards | MT | 3190.0 | USD | 20181114 |
| Unknown | China national standards | MT | 390.0 | USD | 20181114 |
| Unknown | China national standards | MT | 3380.0 | USD | 20181113 |
| Unknown | China national standards | MT | 460.0 | USD | 20181111 |
| Unknown | China national standards | MT | 2680.0 | USD | 20181101 |
| Unknown | China national standards | MT | 2930.0 | USD | 20181101 |
| Unknown | China national standards | MT | 3370.0 | USD | 20181101 |
| Unknown | China national standards | MT | 2880.0 | USD | 20181101 |