| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20250.0 | USD | 20200910 |
| Unknown | China national standards | MT | 20200.0 | USD | 20200901 |
| Unknown | China national standards | MT | 3020.0 | USD | 20200522 |
| Unknown | China national standards | MT | 3500.0 | USD | 20200520 |
| Unknown | China national standards | MT | 24690.0 | USD | 20200519 |
| Unknown | China national standards | MT | 22800.0 | USD | 20200519 |
| Unknown | China national standards | MT | 3260.0 | USD | 20200518 |
| Unknown | China national standards | MT | 3510.0 | USD | 20200517 |
| Unknown | China national standards | MT | 3260.0 | USD | 20200516 |
| Unknown | China national standards | MT | 3240.0 | USD | 20200514 |