| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4610.0 | USD | 20190501 |
| Unknown | China national standards | MT | 28310.0 | USD | 20190501 |
| Unknown | China national standards | MT | 3240.0 | USD | 20190423 |
| Unknown | China national standards | MT | 1880.0 | USD | 20190423 |
| Unknown | China national standards | MT | 16360.0 | USD | 20190423 |
| Unknown | China national standards | MT | 4070.0 | USD | 20190423 |
| Unknown | China national standards | MT | 12700.0 | USD | 20190423 |
| Unknown | China national standards | MT | 25950.0 | USD | 20190422 |
| Unknown | China national standards | MT | 19900.0 | USD | 20190421 |
| Unknown | China national standards | MT | 2940.0 | USD | 20190421 |