| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1238.48 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1090.7 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1185.0 | USD | 20250930 |
| Shandong Jinling Chem | China national standards | MT | 1118.85 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 1168.11 | USD | 20250930 |
| Xiamen Yudeshun Chem | China national standards | MT | 1618.46 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1266.02 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1139.42 | USD | 20250929 |