| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 450.17 | USD | 20250918 |
| Shandong Jinling Chem | China national standards | MT | 351.69 | USD | 20250918 |
| Shandong Jinling Chem | China national standards | MT | 256.03 | USD | 20250918 |
| Shandong Jinling Chem | China national standards | MT | 373.2 | USD | 20250909 |
| Shandong Jinling Chem | China national standards | MT | 373.09 | USD | 20250908 |
| Shandong Jinling Chem | China national standards | MT | 372.9 | USD | 20250906 |
| Shandong Jinling Chem | China national standards | MT | 323.65 | USD | 20250906 |
| Shandong Jinling Chem | China national standards | MT | 372.77 | USD | 20250902 |
| Shandong Jinling Chem | China national standards | MT | 372.39 | USD | 20250825 |
| Shandong Jinling Chem | China national standards | MT | 371.56 | USD | 20250822 |