| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 11830.0 | USD | 20190601 |
| Unknown | China national standards | MT | 32370.0 | USD | 20190601 |
| Unknown | China national standards | MT | 3190.0 | USD | 20190601 |
| Unknown | China national standards | MT | 4720.0 | USD | 20190601 |
| Unknown | China national standards | MT | 10420.0 | USD | 20190522 |
| Unknown | China national standards | MT | 580.0 | USD | 20190522 |
| Unknown | China national standards | MT | 1710.0 | USD | 20190522 |
| Unknown | China national standards | MT | 3310.0 | USD | 20190522 |
| Unknown | China national standards | MT | 9780.0 | USD | 20190521 |
| Unknown | China national standards | MT | 4720.0 | USD | 20190520 |