| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20180116 |
| Unknown | China national standards | MT | 4400.0 | USD | 20180115 |
| Unknown | China national standards | MT | 310.0 | USD | 20180114 |
| Unknown | China national standards | MT | 1120.0 | USD | 20180113 |
| Unknown | China national standards | MT | 2040.0 | USD | 20180113 |
| Unknown | China national standards | MT | 1140.0 | USD | 20180111 |
| Unknown | China national standards | MT | 170.0 | USD | 20180110 |
| Unknown | China national standards | MT | 2030.0 | USD | 20180101 |
| Unknown | China national standards | MT | 170.0 | USD | 20180101 |
| Unknown | China national standards | MT | 210.0 | USD | 20180101 |