| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 210.0 | USD | 20190423 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190422 |
| Unknown | China national standards | MT | 180.0 | USD | 20190422 |
| Unknown | China national standards | MT | 180.0 | USD | 20190420 |
| Unknown | China national standards | MT | 210.0 | USD | 20190420 |
| Unknown | China national standards | MT | 1210.0 | USD | 20190419 |
| Unknown | China national standards | MT | 1060.0 | USD | 20190419 |
| Unknown | China national standards | MT | 1240.0 | USD | 20190418 |
| Unknown | China national standards | MT | 1060.0 | USD | 20190417 |
| Unknown | China national standards | MT | 1220.0 | USD | 20190415 |