| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 130.0 | USD | 20200301 |
| Unknown | China national standards | MT | 330.0 | USD | 20200301 |
| Unknown | China national standards | MT | 120.0 | USD | 20200301 |
| Unknown | China national standards | MT | 120.0 | USD | 20200301 |
| Unknown | China national standards | MT | 120.0 | USD | 20200223 |
| Unknown | China national standards | MT | 840.0 | USD | 20200223 |
| Unknown | China national standards | MT | 950.0 | USD | 20200222 |
| Unknown | China national standards | MT | 950.0 | USD | 20200222 |
| Unknown | China national standards | MT | 810.0 | USD | 20200221 |
| Unknown | China national standards | MT | 890.0 | USD | 20200221 |