| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 280.0 | USD | 20190217 |
| Unknown | China national standards | MT | 440.0 | USD | 20190216 |
| Unknown | China national standards | MT | 2820.0 | USD | 20190215 |
| Unknown | China national standards | MT | 2950.0 | USD | 20190215 |
| Unknown | China national standards | MT | 380.0 | USD | 20190214 |
| Unknown | China national standards | MT | 450.0 | USD | 20190214 |
| Unknown | China national standards | MT | 430.0 | USD | 20190214 |
| Unknown | China national standards | MT | 2990.0 | USD | 20190213 |
| Unknown | China national standards | MT | 3070.0 | USD | 20190212 |
| Unknown | China national standards | MT | 2830.0 | USD | 20190211 |