| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 34850.0 | USD | 20190615 |
| Unknown | China national standards | MT | 3140.0 | USD | 20190601 |
| Unknown | China national standards | MT | 11660.0 | USD | 20190601 |
| Unknown | China national standards | MT | 5070.0 | USD | 20190601 |
| Unknown | China national standards | MT | 106130.0 | USD | 20190601 |
| Unknown | China national standards | MT | 21550.0 | USD | 20190601 |
| Unknown | China national standards | MT | 89450.0 | USD | 20190523 |
| Unknown | China national standards | MT | 2820.0 | USD | 20190522 |
| Unknown | China national standards | MT | 13330.0 | USD | 20190521 |
| Unknown | China national standards | MT | 39430.0 | USD | 20190520 |