| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 17550.0 | USD | 20200201 |
| Unknown | China national standards | MT | 19760.0 | USD | 20200201 |
| Unknown | China national standards | MT | 19990.0 | USD | 20191121 |
| Unknown | China national standards | MT | 2830.0 | USD | 20191120 |
| Unknown | China national standards | MT | 2520.0 | USD | 20191117 |
| Unknown | China national standards | MT | 3370.0 | USD | 20191117 |
| Unknown | China national standards | MT | 23860.0 | USD | 20191117 |
| Unknown | China national standards | MT | 17810.0 | USD | 20191116 |
| Unknown | China national standards | MT | 3370.0 | USD | 20191115 |
| Unknown | China national standards | MT | 2830.0 | USD | 20191115 |