| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 689.59 | USD | 20250924 |
| Nantong Zhonghe Chem | China national standards | MT | 689.59 | USD | 20250924 |
| Shandong Hanyue Chem | China national standards | MT | 703.66 | USD | 20250924 |
| Shandong Hanyue Chem | China national standards | MT | 703.66 | USD | 20250924 |
| JIN Yimeng | China national standards | MT | 717.73 | USD | 20250924 |
| Yankuang Guotai Chem | China national standards | MT | 675.51 | USD | 20250924 |
| Yankuang Guotai Chem | China national standards | MT | 731.81 | USD | 20250924 |
| Shandong Shuojia Chem | China national standards | MT | 731.81 | USD | 20250924 |
| Shandong Shuojia Chem | China national standards | MT | 731.81 | USD | 20250924 |
| Shandong Shuojia Chem | China national standards | MT | 731.81 | USD | 20250924 |