| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 240.0 | USD | 20200201 |
| Unknown | China national standards | MT | 70.0 | USD | 20200201 |
| Unknown | China national standards | MT | 200.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1740.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1720.0 | USD | 20191223 |
| Unknown | China national standards | MT | 260.0 | USD | 20191222 |
| Unknown | China national standards | MT | 240.0 | USD | 20191221 |
| Unknown | China national standards | MT | 270.0 | USD | 20191220 |
| Unknown | China national standards | MT | 2140.0 | USD | 20191217 |
| Unknown | China national standards | MT | 2140.0 | USD | 20191216 |