| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3430.0 | USD | 20191201 |
| Unknown | China national standards | MT | 150.0 | USD | 20191201 |
| Unknown | China national standards | MT | 85990.0 | USD | 20191123 |
| Unknown | China national standards | MT | 8890.0 | USD | 20191123 |
| Unknown | China national standards | MT | 500.0 | USD | 20191122 |
| Unknown | China national standards | MT | 1000.0 | USD | 20191119 |
| Unknown | China national standards | MT | 20.0 | USD | 20191118 |
| Unknown | China national standards | MT | 12200.0 | USD | 20191116 |
| Unknown | China national standards | MT | 142580.0 | USD | 20191116 |
| Unknown | China national standards | MT | 130.0 | USD | 20191116 |