| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1090.67 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 1184.96 | USD | 20250924 |
| Shandong Jinling Chem | China national standards | MT | 1118.82 | USD | 20250924 |
| Shandong Zhiheng | China national standards | MT | 1125.86 | USD | 20250924 |
| Shandong Zhiheng | China national standards | MT | 1125.86 | USD | 20250924 |
| Shandong Zhiheng | China national standards | MT | 1168.08 | USD | 20250924 |
| Shandong Jiaen Chem | China national standards | MT | 1177.93 | USD | 20250923 |
| Shandong Yuxuan Chem | China national standards | MT | 1294.74 | USD | 20250923 |
| Befar | China national standards | MT | 1336.95 | USD | 20250923 |
| Jinan Pulaihua Chem | China national standards | MT | 1266.59 | USD | 20250923 |