| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 660.0 | USD | 20181201 |
| Unknown | China national standards | MT | 710.0 | USD | 20181201 |
| Unknown | China national standards | MT | 6760.0 | USD | 20181122 |
| Unknown | China national standards | MT | 10510.0 | USD | 20181122 |
| Unknown | China national standards | MT | 790.0 | USD | 20181121 |
| Unknown | China national standards | MT | 1030.0 | USD | 20181121 |
| Unknown | China national standards | MT | 7090.0 | USD | 20181120 |
| Unknown | China national standards | MT | 4840.0 | USD | 20181120 |
| Unknown | China national standards | MT | 4040.0 | USD | 20181120 |
| Unknown | China national standards | MT | 5460.0 | USD | 20181119 |