| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 690.0 | USD | 20190601 |
| Unknown | China national standards | MT | 720.0 | USD | 20190601 |
| Unknown | China national standards | MT | 5390.0 | USD | 20190523 |
| Unknown | China national standards | MT | 5910.0 | USD | 20190523 |
| Unknown | China national standards | MT | 830.0 | USD | 20190522 |
| Unknown | China national standards | MT | 7240.0 | USD | 20190522 |
| Unknown | China national standards | MT | 740.0 | USD | 20190521 |
| Unknown | China national standards | MT | 1020.0 | USD | 20190521 |
| Unknown | China national standards | MT | 5240.0 | USD | 20190521 |
| Unknown | China national standards | MT | 6860.0 | USD | 20190521 |