| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7400.0 | USD | 20190316 |
| Unknown | China national standards | MT | 1090.0 | USD | 20190315 |
| Unknown | China national standards | MT | 6400.0 | USD | 20190314 |
| Unknown | China national standards | MT | 890.0 | USD | 20190313 |
| Unknown | China national standards | MT | 930.0 | USD | 20190313 |
| Unknown | China national standards | MT | 5490.0 | USD | 20190313 |
| Unknown | China national standards | MT | 1070.0 | USD | 20190312 |
| Unknown | China national standards | MT | 6290.0 | USD | 20190312 |
| Unknown | China national standards | MT | 6000.0 | USD | 20190312 |
| Unknown | China national standards | MT | 7390.0 | USD | 20190312 |