| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 11008.24 | USD | 20251028 |
| Shandong Yihe Chem | Industrial Grade | MT | 15377.89 | USD | 20251027 |
| Shandong Yihe Chem | China national standards | MT | 11004.36 | USD | 20251027 |
| Shandong Yihe Chem | China national standards | MT | 10997.07 | USD | 20251024 |
| Shandong Yihe Chem | Industrial Grade | MT | 15367.7 | USD | 20251024 |
| Shandong Yihe Chem | China national standards | MT | 10998.62 | USD | 20251023 |
| Shandong Yihe Chem | Industrial Grade | MT | 15369.86 | USD | 20251023 |
| Shandong Yihe Chem | Industrial Grade | MT | 15362.07 | USD | 20251022 |
| Shandong Yihe Chem | China national standards | MT | 10993.04 | USD | 20251022 |
| Shandong Yihe Chem | China national standards | MT | 10996.76 | USD | 20251021 |