| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20191201 |
| Unknown | China national standards | MT | 940.0 | USD | 20191201 |
| Unknown | China national standards | MT | 1740.0 | USD | 20191123 |
| Unknown | China national standards | MT | 950.0 | USD | 20191123 |
| Unknown | China national standards | MT | 790.0 | USD | 20191123 |
| Unknown | China national standards | MT | 830.0 | USD | 20191123 |
| Unknown | China national standards | MT | 850.0 | USD | 20191122 |
| Unknown | China national standards | MT | 860.0 | USD | 20191122 |
| Unknown | China national standards | MT | 140.0 | USD | 20191122 |
| Unknown | China national standards | MT | 12090.0 | USD | 20191121 |