| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 760.0 | USD | 20200501 |
| Unknown | China national standards | MT | 150.0 | USD | 20200501 |
| Unknown | China national standards | MT | 1850.0 | USD | 20200501 |
| Unknown | China national standards | MT | 260.0 | USD | 20200501 |
| Unknown | China national standards | MT | 260.0 | USD | 20200501 |
| Unknown | China national standards | MT | 600.0 | USD | 20200423 |
| Unknown | China national standards | MT | 970.0 | USD | 20200422 |
| Unknown | China national standards | MT | 250.0 | USD | 20200422 |
| Unknown | China national standards | MT | 1850.0 | USD | 20200421 |
| Unknown | China national standards | MT | 280.0 | USD | 20200420 |