| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 19760.0 | USD | 20191001 |
| Unknown | China national standards | MT | 3170.0 | USD | 20191001 |
| Unknown | China national standards | MT | 19840.0 | USD | 20191001 |
| Unknown | China national standards | MT | 22410.0 | USD | 20191001 |
| Unknown | China national standards | MT | 2540.0 | USD | 20190923 |
| Unknown | China national standards | MT | 22730.0 | USD | 20190923 |
| Unknown | China national standards | MT | 15920.0 | USD | 20190922 |
| Unknown | China national standards | MT | 3120.0 | USD | 20190922 |
| Unknown | China national standards | MT | 3210.0 | USD | 20190922 |
| Unknown | China national standards | MT | 22900.0 | USD | 20190922 |