| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 21630.0 | USD | 20191222 |
| Unknown | China national standards | MT | 22030.0 | USD | 20191222 |
| Unknown | China national standards | MT | 22330.0 | USD | 20191222 |
| Unknown | China national standards | MT | 3140.0 | USD | 20191218 |
| Unknown | China national standards | MT | 21650.0 | USD | 20191217 |
| Unknown | China national standards | MT | 3190.0 | USD | 20191216 |
| Unknown | China national standards | MT | 3090.0 | USD | 20191213 |
| Unknown | China national standards | MT | 22340.0 | USD | 20191212 |
| Unknown | China national standards | MT | 3190.0 | USD | 20191212 |
| Unknown | China national standards | MT | 21940.0 | USD | 20191201 |