| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 670.0 | USD | 20200201 |
| Unknown | China national standards | MT | 990.0 | USD | 20200201 |
| Unknown | China national standards | MT | 130.0 | USD | 20200201 |
| Unknown | China national standards | MT | 100.0 | USD | 20200201 |
| Unknown | China national standards | MT | 140.0 | USD | 20200201 |
| Unknown | China national standards | MT | 670.0 | USD | 20200201 |
| Unknown | China national standards | MT | 160.0 | USD | 20191223 |
| Unknown | China national standards | MT | 1170.0 | USD | 20191221 |
| Unknown | China national standards | MT | 2420.0 | USD | 20191221 |
| Unknown | China national standards | MT | 1170.0 | USD | 20191220 |