| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 19420.0 | USD | 20181117 |
| Unknown | China national standards | MT | 2810.0 | USD | 20181115 |
| Unknown | China national standards | MT | 18920.0 | USD | 20181114 |
| Unknown | China national standards | MT | 2080.0 | USD | 20181113 |
| Unknown | China national standards | MT | 17340.0 | USD | 20181111 |
| Unknown | China national standards | MT | 2730.0 | USD | 20181101 |
| Unknown | China national standards | MT | 17250.0 | USD | 20181101 |
| Unknown | China national standards | MT | 2080.0 | USD | 20181101 |
| Unknown | China national standards | MT | 18010.0 | USD | 20181101 |
| Unknown | China national standards | MT | 14390.0 | USD | 20181101 |