| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 11390.0 | USD | 20190501 |
| Unknown | China national standards | MT | 10940.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1490.0 | USD | 20190423 |
| Unknown | China national standards | MT | 950.0 | USD | 20190423 |
| Unknown | China national standards | MT | 950.0 | USD | 20190422 |
| Unknown | China national standards | MT | 6450.0 | USD | 20190421 |
| Unknown | China national standards | MT | 6420.0 | USD | 20190420 |
| Unknown | China national standards | MT | 960.0 | USD | 20190414 |
| Unknown | China national standards | MT | 1130.0 | USD | 20190413 |
| Unknown | China national standards | MT | 960.0 | USD | 20190413 |