| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4290.0 | USD | 20190721 |
| Unknown | China national standards | MT | 3930.0 | USD | 20190721 |
| Unknown | China national standards | MT | 4290.0 | USD | 20190720 |
| Unknown | China national standards | MT | 3490.0 | USD | 20190719 |
| Unknown | China national standards | MT | 4140.0 | USD | 20190718 |
| Unknown | China national standards | MT | 3610.0 | USD | 20190718 |
| Unknown | China national standards | MT | 27540.0 | USD | 20190716 |
| Unknown | China national standards | MT | 27070.0 | USD | 20190716 |
| Unknown | China national standards | MT | 24890.0 | USD | 20190716 |
| Unknown | China national standards | MT | 28590.0 | USD | 20190715 |