| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1000.0 | USD | 20190613 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190612 |
| Unknown | China national standards | MT | 2290.0 | USD | 20190612 |
| Unknown | China national standards | MT | 110.0 | USD | 20190612 |
| Unknown | China national standards | MT | 450.0 | USD | 20190612 |
| Unknown | China national standards | MT | 3090.0 | USD | 20190610 |
| Unknown | China national standards | MT | 850.0 | USD | 20190610 |
| Unknown | China national standards | MT | 330.0 | USD | 20190601 |
| Unknown | China national standards | MT | 120.0 | USD | 20190601 |
| Unknown | China national standards | MT | 170.0 | USD | 20190601 |