| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 260.0 | USD | 20190401 |
| Unknown | China national standards | MT | 760.0 | USD | 20190401 |
| Unknown | China national standards | MT | 2970.0 | USD | 20190323 |
| Unknown | China national standards | MT | 3290.0 | USD | 20190323 |
| Unknown | China national standards | MT | 1450.0 | USD | 20190323 |
| Unknown | China national standards | MT | 3290.0 | USD | 20190322 |
| Unknown | China national standards | MT | 490.0 | USD | 20190322 |
| Unknown | China national standards | MT | 390.0 | USD | 20190322 |
| Unknown | China national standards | MT | 2640.0 | USD | 20190321 |
| Unknown | China national standards | MT | 760.0 | USD | 20190319 |