| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20480.0 | USD | 20190801 |
| Unknown | China national standards | MT | 4200.0 | USD | 20190723 |
| Unknown | China national standards | MT | 22430.0 | USD | 20190723 |
| Unknown | China national standards | MT | 140.0 | USD | 20190722 |
| Unknown | China national standards | MT | 3930.0 | USD | 20190721 |
| Unknown | China national standards | MT | 3240.0 | USD | 20190720 |
| Unknown | China national standards | MT | 28080.0 | USD | 20190720 |
| Unknown | China national standards | MT | 45040.0 | USD | 20190720 |
| Unknown | China national standards | MT | 2520.0 | USD | 20190719 |
| Unknown | China national standards | MT | 28080.0 | USD | 20190719 |