| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1780.0 | USD | 20190621 |
| Unknown | China national standards | MT | 1770.0 | USD | 20190601 |
| Unknown | China national standards | MT | 260.0 | USD | 20190601 |
| Unknown | China national standards | MT | 260.0 | USD | 20190601 |
| Unknown | China national standards | MT | 1740.0 | USD | 20190520 |
| Unknown | China national standards | MT | 1760.0 | USD | 20190514 |
| Unknown | China national standards | MT | 260.0 | USD | 20190510 |
| Unknown | China national standards | MT | 1420.0 | USD | 20190501 |
| Unknown | China national standards | MT | 270.0 | USD | 20190501 |
| Unknown | China national standards | MT | 9530.0 | USD | 20190501 |