| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 388.57 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 395.63 | USD | 20251209 |
| Shanghai Huayi | China national standards | MT | 423.89 | USD | 20251209 |
| Shandong Hualu | China national standards | MT | 389.98 | USD | 20251209 |
| Henan Longyu | China national standards | MT | 303.79 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 381.5 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 395.63 | USD | 20251209 |
| Shandong Zhenkun | China national standards | MT | 423.94 | USD | 20251208 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 593.52 | USD | 20251208 |
| Shandong Hualu | China national standards | MT | 423.94 | USD | 20251208 |