| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 740.0 | USD | 20190721 |
| Unknown | China national standards | MT | 30.0 | USD | 20190720 |
| Unknown | China national standards | MT | 70.0 | USD | 20190720 |
| Unknown | China national standards | MT | 110.0 | USD | 20190718 |
| Unknown | China national standards | MT | 290.0 | USD | 20190717 |
| Unknown | China national standards | MT | 110.0 | USD | 20190716 |
| Unknown | China national standards | MT | 10.0 | USD | 20190715 |
| Unknown | China national standards | MT | 70.0 | USD | 20190715 |
| Unknown | China national standards | MT | 150.0 | USD | 20190715 |
| Unknown | China national standards | MT | 290.0 | USD | 20190714 |