| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 488880.0 | USD | 20190623 |
| Unknown | China national standards | MT | 471710.0 | USD | 20190622 |
| Unknown | China national standards | MT | 69400.0 | USD | 20190618 |
| Unknown | China national standards | MT | 70730.0 | USD | 20190614 |
| Unknown | China national standards | MT | 70730.0 | USD | 20190614 |
| Unknown | China national standards | MT | 463130.0 | USD | 20190614 |
| Unknown | China national standards | MT | 67850.0 | USD | 20190613 |
| Unknown | China national standards | MT | 69410.0 | USD | 20190612 |
| Unknown | China national standards | MT | 477440.0 | USD | 20190612 |
| Unknown | China national standards | MT | 69560.0 | USD | 20190610 |