| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 731.83 | USD | 20250930 |
| Shandong Wells Chem | China national standards | MT | 731.83 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 788.12 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 788.12 | USD | 20250930 |
| Jinan Jinrihe Chem | Industrial Grade | MT | 759.97 | USD | 20250930 |
| Jinan Jinrihe Chem | Industrial Grade | MT | 759.97 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 900.71 | USD | 20250930 |
| Shandong Wells Chem | China national standards | MT | 907.75 | USD | 20250930 |