| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 74270.0 | USD | 20200322 |
| Unknown | China national standards | MT | 525050.0 | USD | 20200317 |
| Unknown | China national standards | MT | 525260.0 | USD | 20200301 |
| Unknown | China national standards | MT | 75320.0 | USD | 20200301 |
| Unknown | China national standards | MT | 1040.0 | USD | 20180523 |
| Unknown | China national standards | MT | 6560.0 | USD | 20180523 |
| Unknown | China national standards | MT | 6560.0 | USD | 20180518 |
| Unknown | China national standards | MT | 1250.0 | USD | 20180516 |
| Unknown | China national standards | MT | 1250.0 | USD | 20180510 |
| Unknown | China national standards | MT | 7870.0 | USD | 20180501 |