| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 15660.0 | USD | 20180522 |
| Unknown | China national standards | MT | 18320.0 | USD | 20180521 |
| Unknown | China national standards | MT | 11210.0 | USD | 20180521 |
| Unknown | China national standards | MT | 1790.0 | USD | 20180520 |
| Unknown | China national standards | MT | 16010.0 | USD | 20180520 |
| Unknown | China national standards | MT | 3080.0 | USD | 20180520 |
| Unknown | China national standards | MT | 2920.0 | USD | 20180520 |
| Unknown | China national standards | MT | 18390.0 | USD | 20180520 |
| Unknown | China national standards | MT | 2300.0 | USD | 20180519 |
| Unknown | China national standards | MT | 14620.0 | USD | 20180519 |