| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 980.0 | USD | 20191219 |
| Unknown | China national standards | MT | 140.0 | USD | 20191219 |
| Unknown | China national standards | MT | 170.0 | USD | 20191218 |
| Unknown | China national standards | MT | 140.0 | USD | 20191217 |
| Unknown | China national standards | MT | 160.0 | USD | 20191217 |
| Unknown | China national standards | MT | 17060.0 | USD | 20191214 |
| Unknown | China national standards | MT | 860.0 | USD | 20191214 |
| Unknown | China national standards | MT | 2410.0 | USD | 20191211 |
| Unknown | China national standards | MT | 1120.0 | USD | 20191211 |
| Unknown | China national standards | MT | 120.0 | USD | 20191210 |