| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 506.84 | USD | 20250908 |
| Shandong Jinwen Chem | Purified Water | MT | 506.84 | USD | 20250908 |
| Shandong Jinwen Chem | Purified Water | MT | 506.41 | USD | 20250902 |
| Shandong Jinwen Chem | China national standards | MT | 506.41 | USD | 20250902 |
| Shandong Jinwen Chem | Purified Water | MT | 506.53 | USD | 20250901 |
| Shandong Jinwen Chem | China national standards | MT | 506.53 | USD | 20250901 |
| Shandong Jinwen Chem | Purified Water | MT | 506.83 | USD | 20250829 |
| Shandong Jinwen Chem | China national standards | MT | 506.83 | USD | 20250829 |
| Shandong Jinwen Chem | Purified Water | MT | 506.59 | USD | 20250828 |
| Shandong Jinwen Chem | China national standards | MT | 506.59 | USD | 20250828 |