| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou Yangzhou Chem | China national standards | MT | 592.13 | USD | 20251021 |
| Shiyou Yangzhou Chem | China national standards | MT | 591.77 | USD | 20251020 |
| Shiyou Yangzhou Chem | China national standards | MT | 591.97 | USD | 20251017 |
| Shiyou Yangzhou Chem | China national standards | MT | 620.16 | USD | 20251017 |
| Shiyou Yangzhou Chem | China national standards | MT | 620.0 | USD | 20251016 |
| Shiyou Yangzhou Chem | China national standards | MT | 619.76 | USD | 20251015 |
| Shiyou Yangzhou Chem | China national standards | MT | 619.54 | USD | 20251014 |
| Shiyou Yangzhou Chem | China national standards | MT | 619.66 | USD | 20251013 |
| Shiyou Yangzhou Chem | China national standards | MT | 633.37 | USD | 20251010 |
| Shiyou Yangzhou Chem | China national standards | MT | 632.89 | USD | 20251009 |