| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20200501 |
| Unknown | China national standards | MT | 130.0 | USD | 20200501 |
| Unknown | China national standards | MT | 100.0 | USD | 20200501 |
| Unknown | China national standards | MT | 770.0 | USD | 20200422 |
| Unknown | China national standards | MT | 1040.0 | USD | 20200422 |
| Unknown | China national standards | MT | 150.0 | USD | 20200420 |
| Unknown | China national standards | MT | 710.0 | USD | 20200419 |
| Unknown | China national standards | MT | 780.0 | USD | 20200418 |
| Unknown | China national standards | MT | 100.0 | USD | 20200418 |
| Unknown | China national standards | MT | 110.0 | USD | 20200417 |