| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 60830.0 | USD | 20181223 |
| Unknown | China national standards | MT | 433810.0 | USD | 20181221 |
| Unknown | China national standards | MT | 62680.0 | USD | 20181220 |
| Unknown | China national standards | MT | 62740.0 | USD | 20181219 |
| Unknown | China national standards | MT | 422850.0 | USD | 20181215 |
| Unknown | China national standards | MT | 60880.0 | USD | 20181213 |
| Unknown | China national standards | MT | 419140.0 | USD | 20181201 |
| Unknown | China national standards | MT | 430480.0 | USD | 20181201 |
| Unknown | China national standards | MT | 424910.0 | USD | 20181114 |
| Unknown | China national standards | MT | 423530.0 | USD | 20181113 |