| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20180521 |
| Unknown | China national standards | MT | 590.0 | USD | 20180521 |
| Unknown | China national standards | MT | 770.0 | USD | 20180521 |
| Unknown | China national standards | MT | 110.0 | USD | 20180520 |
| Unknown | China national standards | MT | 110.0 | USD | 20180520 |
| Unknown | China national standards | MT | 90.0 | USD | 20180520 |
| Unknown | China national standards | MT | 100.0 | USD | 20180519 |
| Unknown | China national standards | MT | 90.0 | USD | 20180518 |
| Unknown | China national standards | MT | 100.0 | USD | 20180518 |
| Unknown | China national standards | MT | 100.0 | USD | 20180518 |