| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 740.0 | USD | 20190318 |
| Unknown | China national standards | MT | 120.0 | USD | 20190318 |
| Unknown | China national standards | MT | 130.0 | USD | 20190316 |
| Unknown | China national standards | MT | 980.0 | USD | 20190315 |
| Unknown | China national standards | MT | 1020.0 | USD | 20190315 |
| Unknown | China national standards | MT | 170.0 | USD | 20190315 |
| Unknown | China national standards | MT | 110.0 | USD | 20190315 |
| Unknown | China national standards | MT | 130.0 | USD | 20190314 |
| Unknown | China national standards | MT | 740.0 | USD | 20190314 |
| Unknown | China national standards | MT | 790.0 | USD | 20190313 |