| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2240.0 | USD | 20181215 |
| Unknown | China national standards | MT | 480.0 | USD | 20181214 |
| Unknown | China national standards | MT | 480.0 | USD | 20181213 |
| Unknown | China national standards | MT | 2270.0 | USD | 20181213 |
| Unknown | China national standards | MT | 400.0 | USD | 20181212 |
| Unknown | China national standards | MT | 2760.0 | USD | 20181211 |
| Unknown | China national standards | MT | 330.0 | USD | 20181210 |
| Unknown | China national standards | MT | 320.0 | USD | 20181210 |
| Unknown | China national standards | MT | 4960.0 | USD | 20181210 |
| Unknown | China national standards | MT | 2740.0 | USD | 20181201 |