| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4080.0 | USD | 20180401 |
| Unknown | China national standards | MT | 1570.0 | USD | 20180401 |
| Unknown | China national standards | MT | 10370.0 | USD | 20180321 |
| Unknown | China national standards | MT | 1160.0 | USD | 20180320 |
| Unknown | China national standards | MT | 1680.0 | USD | 20180320 |
| Unknown | China national standards | MT | 170.0 | USD | 20180319 |
| Unknown | China national standards | MT | 1180.0 | USD | 20180317 |
| Unknown | China national standards | MT | 170.0 | USD | 20180317 |
| Unknown | China national standards | MT | 1090.0 | USD | 20180316 |
| Unknown | China national standards | MT | 10410.0 | USD | 20180315 |