| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 180.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1120.0 | USD | 20200201 |
| Unknown | China national standards | MT | 1770.0 | USD | 20191223 |
| Unknown | China national standards | MT | 1510.0 | USD | 20191222 |
| Unknown | China national standards | MT | 1230.0 | USD | 20191221 |
| Unknown | China national standards | MT | 1510.0 | USD | 20191219 |
| Unknown | China national standards | MT | 1230.0 | USD | 20191218 |
| Unknown | China national standards | MT | 1090.0 | USD | 20191217 |
| Unknown | China national standards | MT | 1770.0 | USD | 20191214 |
| Unknown | China national standards | MT | 210.0 | USD | 20191213 |