| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 130.0 | USD | 20180522 |
| Unknown | China national standards | MT | 1080.0 | USD | 20180521 |
| Unknown | China national standards | MT | 190.0 | USD | 20180521 |
| Unknown | China national standards | MT | 190.0 | USD | 20180520 |
| Unknown | China national standards | MT | 660.0 | USD | 20180520 |
| Unknown | China national standards | MT | 170.0 | USD | 20180520 |
| Unknown | China national standards | MT | 190.0 | USD | 20180520 |
| Unknown | China national standards | MT | 220.0 | USD | 20180519 |
| Unknown | China national standards | MT | 830.0 | USD | 20180518 |
| Unknown | China national standards | MT | 1390.0 | USD | 20180518 |