| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 640.0 | USD | 20190601 |
| Unknown | China national standards | MT | 680.0 | USD | 20190601 |
| Unknown | China national standards | MT | 790.0 | USD | 20190601 |
| Unknown | China national standards | MT | 1060.0 | USD | 20190601 |
| Unknown | China national standards | MT | 4770.0 | USD | 20190523 |
| Unknown | China national standards | MT | 4770.0 | USD | 20190522 |
| Unknown | China national standards | MT | 700.0 | USD | 20190521 |
| Unknown | China national standards | MT | 780.0 | USD | 20190521 |
| Unknown | China national standards | MT | 5240.0 | USD | 20190520 |
| Unknown | China national standards | MT | 4340.0 | USD | 20190520 |