| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 110.0 | USD | 20190823 |
| Unknown | China national standards | MT | 770.0 | USD | 20190822 |
| Unknown | China national standards | MT | 130.0 | USD | 20190821 |
| Unknown | China national standards | MT | 670.0 | USD | 20190820 |
| Unknown | China national standards | MT | 940.0 | USD | 20190820 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190819 |
| Unknown | China national standards | MT | 940.0 | USD | 20190819 |
| Unknown | China national standards | MT | 110.0 | USD | 20190818 |
| Unknown | China national standards | MT | 640.0 | USD | 20190818 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190818 |