| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 110.0 | USD | 20190319 |
| Unknown | China national standards | MT | 860.0 | USD | 20190316 |
| Unknown | China national standards | MT | 120.0 | USD | 20190315 |
| Unknown | China national standards | MT | 130.0 | USD | 20190313 |
| Unknown | China national standards | MT | 100.0 | USD | 20190313 |
| Unknown | China national standards | MT | 990.0 | USD | 20190313 |
| Unknown | China national standards | MT | 990.0 | USD | 20190312 |
| Unknown | China national standards | MT | 900.0 | USD | 20190312 |
| Unknown | China national standards | MT | 130.0 | USD | 20190311 |
| Unknown | China national standards | MT | 760.0 | USD | 20190311 |