| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1130.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1370.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1130.0 | USD | 20200201 |
| Unknown | China national standards | MT | 240.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1670.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1670.0 | USD | 20200201 |
| Unknown | China national standards | MT | 230.0 | USD | 20191223 |
| Unknown | China national standards | MT | 230.0 | USD | 20191221 |
| Unknown | China national standards | MT | 310.0 | USD | 20191219 |
| Unknown | China national standards | MT | 1600.0 | USD | 20191218 |