| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7020.0 | USD | 20200401 |
| Unknown | China national standards | MT | 7020.0 | USD | 20200401 |
| Unknown | China national standards | MT | 1010.0 | USD | 20200221 |
| Unknown | China national standards | MT | 7110.0 | USD | 20200216 |
| Unknown | China national standards | MT | 1020.0 | USD | 20200214 |
| Unknown | China national standards | MT | 7210.0 | USD | 20200201 |
| Unknown | China national standards | MT | 55480.0 | USD | 20191123 |
| Unknown | China national standards | MT | 5950.0 | USD | 20191122 |
| Unknown | China national standards | MT | 670.0 | USD | 20191120 |
| Unknown | China national standards | MT | 7870.0 | USD | 20191117 |