| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20191221 |
| Unknown | China national standards | MT | 140.0 | USD | 20191220 |
| Unknown | China national standards | MT | 960.0 | USD | 20191220 |
| Unknown | China national standards | MT | 980.0 | USD | 20191219 |
| Unknown | China national standards | MT | 590.0 | USD | 20191219 |
| Unknown | China national standards | MT | 140.0 | USD | 20191218 |
| Unknown | China national standards | MT | 140.0 | USD | 20191218 |
| Unknown | China national standards | MT | 970.0 | USD | 20191217 |
| Unknown | China national standards | MT | 930.0 | USD | 20191216 |
| Unknown | China national standards | MT | 970.0 | USD | 20191216 |