| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1150.0 | USD | 20190901 |
| Unknown | China national standards | MT | 3400.0 | USD | 20190901 |
| Unknown | China national standards | MT | 25130.0 | USD | 20190823 |
| Unknown | China national standards | MT | 32360.0 | USD | 20190822 |
| Unknown | China national standards | MT | 1760.0 | USD | 20190819 |
| Unknown | China national standards | MT | 3860.0 | USD | 20190818 |
| Unknown | China national standards | MT | 14990.0 | USD | 20190817 |
| Unknown | China national standards | MT | 12120.0 | USD | 20190817 |
| Unknown | China national standards | MT | 14370.0 | USD | 20190817 |
| Unknown | China national standards | MT | 1760.0 | USD | 20190817 |