| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 566880.0 | USD | 20200422 |
| Unknown | China national standards | MT | 80820.0 | USD | 20200418 |
| Unknown | China national standards | MT | 80820.0 | USD | 20200416 |
| Unknown | China national standards | MT | 571300.0 | USD | 20200410 |
| Unknown | China national standards | MT | 84830.0 | USD | 20200323 |
| Unknown | China national standards | MT | 513390.0 | USD | 20200320 |
| Unknown | China national standards | MT | 518680.0 | USD | 20200318 |
| Unknown | China national standards | MT | 601080.0 | USD | 20200317 |
| Unknown | China national standards | MT | 74590.0 | USD | 20200316 |
| Unknown | China national standards | MT | 601320.0 | USD | 20200301 |