| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3480.0 | USD | 20190801 |
| Unknown | China national standards | MT | 500.0 | USD | 20190801 |
| Unknown | China national standards | MT | 4290.0 | USD | 20190723 |
| Unknown | China national standards | MT | 36980.0 | USD | 20190723 |
| Unknown | China national standards | MT | 6710.0 | USD | 20190723 |
| Unknown | China national standards | MT | 54020.0 | USD | 20190723 |
| Unknown | China national standards | MT | 1200.0 | USD | 20190722 |
| Unknown | China national standards | MT | 7740.0 | USD | 20190721 |
| Unknown | China national standards | MT | 7880.0 | USD | 20190720 |
| Unknown | China national standards | MT | 19910.0 | USD | 20190720 |