| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 530.0 | USD | 20201115 |
| Unknown | China national standards | MT | 130.0 | USD | 20201115 |
| Unknown | China national standards | MT | 90.0 | USD | 20201115 |
| Unknown | China national standards | MT | 820.0 | USD | 20201114 |
| Unknown | China national standards | MT | 960.0 | USD | 20201113 |
| Unknown | China national standards | MT | 80.0 | USD | 20201112 |
| Unknown | China national standards | MT | 530.0 | USD | 20201111 |
| Unknown | China national standards | MT | 640.0 | USD | 20201111 |
| Unknown | China national standards | MT | 570.0 | USD | 20201111 |
| Unknown | China national standards | MT | 160.0 | USD | 20201110 |