| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 470.0 | USD | 20190314 |
| Unknown | China national standards | MT | 570.0 | USD | 20190314 |
| Unknown | China national standards | MT | 1920.0 | USD | 20190314 |
| Unknown | China national standards | MT | 160.0 | USD | 20190312 |
| Unknown | China national standards | MT | 80.0 | USD | 20190311 |
| Unknown | China national standards | MT | 980.0 | USD | 20190311 |
| Unknown | China national standards | MT | 1920.0 | USD | 20190311 |
| Unknown | China national standards | MT | 980.0 | USD | 20190311 |
| Unknown | China national standards | MT | 180.0 | USD | 20190310 |
| Unknown | China national standards | MT | 120.0 | USD | 20190301 |