| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 93750.0 | USD | 20190313 |
| Unknown | China national standards | MT | 16210.0 | USD | 20190312 |
| Unknown | China national standards | MT | 87260.0 | USD | 20190311 |
| Unknown | China national standards | MT | 104770.0 | USD | 20190310 |
| Unknown | China national standards | MT | 15660.0 | USD | 20190310 |
| Unknown | China national standards | MT | 118970.0 | USD | 20190301 |
| Unknown | China national standards | MT | 111930.0 | USD | 20190301 |
| Unknown | China national standards | MT | 109880.0 | USD | 20190301 |
| Unknown | China national standards | MT | 16730.0 | USD | 20190301 |
| Unknown | China national standards | MT | 18010.0 | USD | 20190301 |