| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 810.8 | USD | 20251023 |
| Shandong Aite Chem | China national standards | MT | 634.54 | USD | 20251023 |
| Yankuang Guotai Chem | China national standards | MT | 831.95 | USD | 20251023 |
| Shandong Aite Chem | China national standards | MT | 747.34 | USD | 20251023 |
| Shandong Aite Chem | China national standards | MT | 747.34 | USD | 20251023 |
| Shandong Aite Chem | China national standards | MT | 747.34 | USD | 20251023 |
| Qingdao Shengze Chem | China national standards | MT | 729.01 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 867.2 | USD | 20251023 |
| Hubei 789 Chem | China national standards | MT | 768.49 | USD | 20251023 |
| Hubei 789 Chem | China national standards | MT | 768.49 | USD | 20251023 |