| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 280.0 | USD | 20190414 |
| Unknown | China national standards | MT | 260.0 | USD | 20190412 |
| Unknown | China national standards | MT | 2670.0 | USD | 20190410 |
| Unknown | China national standards | MT | 1720.0 | USD | 20190410 |
| Unknown | China national standards | MT | 320.0 | USD | 20190401 |
| Unknown | China national standards | MT | 260.0 | USD | 20190401 |
| Unknown | China national standards | MT | 2140.0 | USD | 20190401 |
| Unknown | China national standards | MT | 1880.0 | USD | 20190401 |
| Unknown | China national standards | MT | 1720.0 | USD | 20190401 |
| Unknown | China national standards | MT | 1880.0 | USD | 20190401 |