| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 790.0 | USD | 20190401 |
| Unknown | China national standards | MT | 1880.0 | USD | 20190401 |
| Unknown | China national standards | MT | 3130.0 | USD | 20190323 |
| Unknown | China national standards | MT | 3560.0 | USD | 20190322 |
| Unknown | China national standards | MT | 4140.0 | USD | 20190322 |
| Unknown | China national standards | MT | 4090.0 | USD | 20190322 |
| Unknown | China national standards | MT | 460.0 | USD | 20190322 |
| Unknown | China national standards | MT | 4130.0 | USD | 20190321 |
| Unknown | China national standards | MT | 660.0 | USD | 20190319 |
| Unknown | China national standards | MT | 4570.0 | USD | 20190319 |