| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7950.0 | USD | 20190915 |
| Unknown | China national standards | MT | 1740.0 | USD | 20190910 |
| Unknown | China national standards | MT | 4370.0 | USD | 20190901 |
| Unknown | China national standards | MT | 4370.0 | USD | 20190901 |
| Unknown | China national standards | MT | 1740.0 | USD | 20190901 |
| Unknown | China national standards | MT | 30100.0 | USD | 20190901 |
| Unknown | China national standards | MT | 4680.0 | USD | 20190816 |
| Unknown | China national standards | MT | 4690.0 | USD | 20190812 |
| Unknown | China national standards | MT | 680.0 | USD | 20190810 |
| Unknown | China national standards | MT | 690.0 | USD | 20190801 |