| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3910.0 | USD | 20190821 |
| Unknown | China national standards | MT | 390.0 | USD | 20190820 |
| Unknown | China national standards | MT | 90.0 | USD | 20190820 |
| Unknown | China national standards | MT | 2670.0 | USD | 20190820 |
| Unknown | China national standards | MT | 120.0 | USD | 20190819 |
| Unknown | China national standards | MT | 100.0 | USD | 20190819 |
| Unknown | China national standards | MT | 620.0 | USD | 20190819 |
| Unknown | China national standards | MT | 660.0 | USD | 20190819 |
| Unknown | China national standards | MT | 820.0 | USD | 20190818 |
| Unknown | China national standards | MT | 1170.0 | USD | 20190818 |