| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1076.63 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 935.89 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 1027.37 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 1069.59 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 1027.37 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 1069.59 | USD | 20250930 |
| Shandong Laya Chem | China national standards | MT | 999.23 | USD | 20250930 |
| Shandong Fusheng | China national standards | MT | 1055.52 | USD | 20250930 |
| Shandong Fusheng | China national standards | MT | 1125.89 | USD | 20250930 |