| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 140720.0 | USD | 20180513 |
| Unknown | China national standards | MT | 22970.0 | USD | 20180510 |
| Unknown | China national standards | MT | 144320.02 | USD | 20180510 |
| Unknown | China national standards | MT | 22450.0 | USD | 20180501 |
| Unknown | China national standards | MT | 145170.0 | USD | 20180501 |
| Unknown | China national standards | MT | 141009.98 | USD | 20180501 |
| Unknown | China national standards | MT | 24110.0 | USD | 20180421 |
| Unknown | China national standards | MT | 155750.0 | USD | 20180420 |
| Unknown | China national standards | MT | 13530.0 | USD | 20180419 |
| Unknown | China national standards | MT | 85850.0 | USD | 20180417 |