| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 740.0 | USD | 20180521 |
| Unknown | China national standards | MT | 670.0 | USD | 20180521 |
| Unknown | China national standards | MT | 700.0 | USD | 20180521 |
| Unknown | China national standards | MT | 690.0 | USD | 20180519 |
| Unknown | China national standards | MT | 120.0 | USD | 20180518 |
| Unknown | China national standards | MT | 750.0 | USD | 20180517 |
| Unknown | China national standards | MT | 110.0 | USD | 20180516 |
| Unknown | China national standards | MT | 740.0 | USD | 20180516 |
| Unknown | China national standards | MT | 730.0 | USD | 20180516 |
| Unknown | China national standards | MT | 750.0 | USD | 20180515 |