| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1790.0 | USD | 20200201 |
| Unknown | China national standards | MT | 150.0 | USD | 20200201 |
| Unknown | China national standards | MT | 290.0 | USD | 20200201 |
| Unknown | China national standards | MT | 400.0 | USD | 20200201 |
| Unknown | China national standards | MT | 80.0 | USD | 20191222 |
| Unknown | China national standards | MT | 20.0 | USD | 20191221 |
| Unknown | China national standards | MT | 980.0 | USD | 20191219 |
| Unknown | China national standards | MT | 70.0 | USD | 20191219 |
| Unknown | China national standards | MT | 1760.0 | USD | 20191219 |
| Unknown | China national standards | MT | 12470.0 | USD | 20191218 |