| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1760.0 | USD | 20200501 |
| Unknown | China national standards | MT | 7390.0 | USD | 20200501 |
| Unknown | China national standards | MT | 257980.02 | USD | 20200418 |
| Unknown | China national standards | MT | 1720.0 | USD | 20200416 |
| Unknown | China national standards | MT | 36900.0 | USD | 20200415 |
| Unknown | China national standards | MT | 1730.0 | USD | 20200413 |
| Unknown | China national standards | MT | 12170.0 | USD | 20200410 |
| Unknown | China national standards | MT | 12100.0 | USD | 20200401 |
| Unknown | China national standards | MT | 257780.0 | USD | 20200401 |
| Unknown | China national standards | MT | 36710.0 | USD | 20200401 |