| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3910.0 | USD | 20190214 |
| Unknown | China national standards | MT | 4120.0 | USD | 20190212 |
| Unknown | China national standards | MT | 28690.0 | USD | 20190201 |
| Unknown | China national standards | MT | 26710.0 | USD | 20190201 |
| Unknown | China national standards | MT | 4170.0 | USD | 20190201 |
| Unknown | China national standards | MT | 4130.0 | USD | 20190201 |
| Unknown | China national standards | MT | 26750.0 | USD | 20190123 |
| Unknown | China national standards | MT | 26900.0 | USD | 20190123 |
| Unknown | China national standards | MT | 3910.0 | USD | 20190122 |
| Unknown | China national standards | MT | 27940.0 | USD | 20190122 |