| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 367.29 | USD | 20251129 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 536.81 | USD | 20251129 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 536.81 | USD | 20251129 |
| Henan Longyu | China national standards | MT | 331.97 | USD | 20251129 |
| Yankuang Guotai Chem | China national standards | MT | 381.42 | USD | 20251128 |
| Jinan Jinrihe Chem | China national standards | MT | 381.42 | USD | 20251128 |
| Shandong Hualu | China national standards | MT | 395.54 | USD | 20251128 |
| Shandong Jinshenrun Chem | China national standards | MT | 395.54 | USD | 20251128 |
| Shandong Zhenkun | China national standards | MT | 395.54 | USD | 20251128 |
| Shandong Zhenkun | China national standards | MT | 423.79 | USD | 20251128 |