| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 930.0 | USD | 20191201 |
| Unknown | China national standards | MT | 460.0 | USD | 20191201 |
| Unknown | China national standards | MT | 790.0 | USD | 20191123 |
| Unknown | China national standards | MT | 380.0 | USD | 20191123 |
| Unknown | China national standards | MT | 100.0 | USD | 20191121 |
| Unknown | China national standards | MT | 150.0 | USD | 20191121 |
| Unknown | China national standards | MT | 130.0 | USD | 20191121 |
| Unknown | China national standards | MT | 600.0 | USD | 20191121 |
| Unknown | China national standards | MT | 680.0 | USD | 20191119 |
| Unknown | China national standards | MT | 800.0 | USD | 20191118 |