| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20191201 |
| Unknown | China national standards | MT | 180.0 | USD | 20191201 |
| Unknown | China national standards | MT | 1220.0 | USD | 20191121 |
| Unknown | China national standards | MT | 170.0 | USD | 20191121 |
| Unknown | China national standards | MT | 180.0 | USD | 20191120 |
| Unknown | China national standards | MT | 1180.0 | USD | 20191119 |
| Unknown | China national standards | MT | 1220.0 | USD | 20191118 |
| Unknown | China national standards | MT | 1260.0 | USD | 20191117 |
| Unknown | China national standards | MT | 1180.0 | USD | 20191115 |
| Unknown | China national standards | MT | 1290.0 | USD | 20191114 |