| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4000.0 | USD | 20180601 |
| Unknown | China national standards | MT | 3900.0 | USD | 20180601 |
| Unknown | China national standards | MT | 25480.0 | USD | 20180601 |
| Unknown | China national standards | MT | 24740.0 | USD | 20180601 |
| Unknown | China national standards | MT | 5970.0 | USD | 20180523 |
| Unknown | China national standards | MT | 4550.0 | USD | 20180522 |
| Unknown | China national standards | MT | 25530.0 | USD | 20180521 |
| Unknown | China national standards | MT | 24950.0 | USD | 20180521 |
| Unknown | China national standards | MT | 3980.0 | USD | 20180518 |
| Unknown | China national standards | MT | 28690.0 | USD | 20180516 |