| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2820.0 | USD | 20190613 |
| Unknown | China national standards | MT | 19360.0 | USD | 20190601 |
| Unknown | China national standards | MT | 26780.0 | USD | 20190523 |
| Unknown | China national standards | MT | 34570.0 | USD | 20190523 |
| Unknown | China national standards | MT | 18320.0 | USD | 20190521 |
| Unknown | China national standards | MT | 18860.0 | USD | 20190520 |
| Unknown | China national standards | MT | 2780.0 | USD | 20190518 |
| Unknown | China national standards | MT | 18580.0 | USD | 20190517 |
| Unknown | China national standards | MT | 4010.0 | USD | 20190516 |
| Unknown | China national standards | MT | 18410.0 | USD | 20190515 |