| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 380.0 | USD | 20190214 |
| Unknown | China national standards | MT | 160.0 | USD | 20190201 |
| Unknown | China national standards | MT | 160.0 | USD | 20190201 |
| Unknown | China national standards | MT | 60.0 | USD | 20190201 |
| Unknown | China national standards | MT | 20.0 | USD | 20190201 |
| Unknown | China national standards | MT | 2160.0 | USD | 20190201 |
| Unknown | China national standards | MT | 20.0 | USD | 20190122 |
| Unknown | China national standards | MT | 60.0 | USD | 20190122 |
| Unknown | China national standards | MT | 2140.0 | USD | 20190121 |
| Unknown | China national standards | MT | 14880.0 | USD | 20190119 |