| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 40.0 | USD | 20190314 |
| Unknown | China national standards | MT | 150.0 | USD | 20190313 |
| Unknown | China national standards | MT | 5230.0 | USD | 20190313 |
| Unknown | China national standards | MT | 10.0 | USD | 20190313 |
| Unknown | China national standards | MT | 4450.0 | USD | 20190312 |
| Unknown | China national standards | MT | 5580.0 | USD | 20190311 |
| Unknown | China national standards | MT | 450.0 | USD | 20190311 |
| Unknown | China national standards | MT | 30040.0 | USD | 20190311 |
| Unknown | China national standards | MT | 1360.0 | USD | 20190310 |
| Unknown | China national standards | MT | 100.0 | USD | 20190310 |