| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 430.0 | USD | 20190201 |
| Unknown | China national standards | MT | 510.0 | USD | 20190201 |
| Unknown | China national standards | MT | 430.0 | USD | 20190201 |
| Unknown | China national standards | MT | 480.0 | USD | 20190201 |
| Unknown | China national standards | MT | 430.0 | USD | 20190121 |
| Unknown | China national standards | MT | 500.0 | USD | 20190120 |
| Unknown | China national standards | MT | 2770.0 | USD | 20190119 |
| Unknown | China national standards | MT | 500.0 | USD | 20190118 |
| Unknown | China national standards | MT | 2770.0 | USD | 20190117 |
| Unknown | China national standards | MT | 2980.0 | USD | 20190114 |