| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5050.0 | USD | 20190801 |
| Unknown | China national standards | MT | 8610.0 | USD | 20190801 |
| Unknown | China national standards | MT | 21830.0 | USD | 20190723 |
| Unknown | China national standards | MT | 5920.0 | USD | 20190722 |
| Unknown | China national standards | MT | 3930.0 | USD | 20190721 |
| Unknown | China national standards | MT | 9360.0 | USD | 20190720 |
| Unknown | China national standards | MT | 4220.0 | USD | 20190718 |
| Unknown | China national standards | MT | 4390.0 | USD | 20190716 |
| Unknown | China national standards | MT | 64430.0 | USD | 20190716 |
| Unknown | China national standards | MT | 101260.0 | USD | 20190716 |