| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1010.0 | USD | 20190923 |
| Unknown | China national standards | MT | 900.0 | USD | 20190922 |
| Unknown | China national standards | MT | 860.0 | USD | 20190922 |
| Unknown | China national standards | MT | 130.0 | USD | 20190921 |
| Unknown | China national standards | MT | 140.0 | USD | 20190921 |
| Unknown | China national standards | MT | 160.0 | USD | 20190920 |
| Unknown | China national standards | MT | 130.0 | USD | 20190918 |
| Unknown | China national standards | MT | 130.0 | USD | 20190918 |
| Unknown | China national standards | MT | 130.0 | USD | 20190918 |
| Unknown | China national standards | MT | 120.0 | USD | 20190917 |