| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 520.0 | USD | 20190318 |
| Unknown | China national standards | MT | 120.0 | USD | 20190318 |
| Unknown | China national standards | MT | 520.0 | USD | 20190316 |
| Unknown | China national standards | MT | 80.0 | USD | 20190316 |
| Unknown | China national standards | MT | 180.0 | USD | 20190316 |
| Unknown | China national standards | MT | 960.0 | USD | 20190316 |
| Unknown | China national standards | MT | 140.0 | USD | 20190315 |
| Unknown | China national standards | MT | 140.0 | USD | 20190315 |
| Unknown | China national standards | MT | 510.0 | USD | 20190315 |
| Unknown | China national standards | MT | 1220.0 | USD | 20190315 |