| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 17640.0 | USD | 20190201 |
| Unknown | China national standards | MT | 120.0 | USD | 20190201 |
| Unknown | China national standards | MT | 810.0 | USD | 20190122 |
| Unknown | China national standards | MT | 120.0 | USD | 20190121 |
| Unknown | China national standards | MT | 110.0 | USD | 20190121 |
| Unknown | China national standards | MT | 120.0 | USD | 20190120 |
| Unknown | China national standards | MT | 110.0 | USD | 20190120 |
| Unknown | China national standards | MT | 810.0 | USD | 20190119 |
| Unknown | China national standards | MT | 110.0 | USD | 20190118 |
| Unknown | China national standards | MT | 4840.0 | USD | 20190117 |