| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 290.0 | USD | 20190311 |
| Unknown | China national standards | MT | 270.0 | USD | 20190310 |
| Unknown | China national standards | MT | 590.0 | USD | 20190310 |
| Unknown | China national standards | MT | 2600.0 | USD | 20190310 |
| Unknown | China national standards | MT | 660.0 | USD | 20190310 |
| Unknown | China national standards | MT | 770.0 | USD | 20190310 |
| Unknown | China national standards | MT | 2190.0 | USD | 20190310 |
| Unknown | China national standards | MT | 4530.0 | USD | 20190310 |
| Unknown | China national standards | MT | 1930.0 | USD | 20190310 |
| Unknown | China national standards | MT | 2020.0 | USD | 20190310 |