| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 6220.0 | USD | 20190221 |
| Unknown | China national standards | MT | 15190.0 | USD | 20190215 |
| Unknown | China national standards | MT | 16820.0 | USD | 20190214 |
| Unknown | China national standards | MT | 1650.0 | USD | 20190212 |
| Unknown | China national standards | MT | 114130.0 | USD | 20190211 |
| Unknown | China national standards | MT | 41580.0 | USD | 20190211 |
| Unknown | China national standards | MT | 103560.0 | USD | 20190201 |
| Unknown | China national standards | MT | 250.0 | USD | 20190201 |
| Unknown | China national standards | MT | 29890.0 | USD | 20190123 |
| Unknown | China national standards | MT | 109890.0 | USD | 20190123 |