| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20190123 |
| Unknown | China national standards | MT | 90.0 | USD | 20190123 |
| Unknown | China national standards | MT | 370.0 | USD | 20190122 |
| Unknown | China national standards | MT | 370.0 | USD | 20190122 |
| Unknown | China national standards | MT | 680.0 | USD | 20190121 |
| Unknown | China national standards | MT | 650.0 | USD | 20190121 |
| Unknown | China national standards | MT | 90.0 | USD | 20190121 |
| Unknown | China national standards | MT | 90.0 | USD | 20190121 |
| Unknown | China national standards | MT | 100.0 | USD | 20190121 |
| Unknown | China national standards | MT | 680.0 | USD | 20190120 |