| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4320.0 | USD | 20190321 |
| Unknown | China national standards | MT | 2960.0 | USD | 20190321 |
| Unknown | China national standards | MT | 470.0 | USD | 20190319 |
| Unknown | China national standards | MT | 890.0 | USD | 20190318 |
| Unknown | China national standards | MT | 3150.0 | USD | 20190317 |
| Unknown | China national standards | MT | 6030.0 | USD | 20190314 |
| Unknown | China national standards | MT | 470.0 | USD | 20190314 |
| Unknown | China national standards | MT | 640.0 | USD | 20190312 |
| Unknown | China national standards | MT | 430.0 | USD | 20190311 |
| Unknown | China national standards | MT | 3220.0 | USD | 20190311 |