| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20550.0 | USD | 20190501 |
| Unknown | China national standards | MT | 2880.0 | USD | 20190422 |
| Unknown | China national standards | MT | 6090.0 | USD | 20190422 |
| Unknown | China national standards | MT | 3910.0 | USD | 20190422 |
| Unknown | China national standards | MT | 9690.0 | USD | 20190422 |
| Unknown | China national standards | MT | 3240.0 | USD | 20190421 |
| Unknown | China national standards | MT | 5970.0 | USD | 20190421 |
| Unknown | China national standards | MT | 157880.0 | USD | 20190421 |
| Unknown | China national standards | MT | 5970.0 | USD | 20190420 |
| Unknown | China national standards | MT | 1440.0 | USD | 20190419 |