| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 985.12 | USD | 20250923 |
| Shandong Jinwen Chem | China national standards | MT | 1210.3 | USD | 20250923 |
| Shandong Jinling Chem | China national standards | MT | 1118.82 | USD | 20250923 |
| Shandong Zhiheng | China national standards | MT | 1168.08 | USD | 20250923 |
| Shandong Zhiheng | China national standards | MT | 1125.86 | USD | 20250923 |
| Shandong Zhiheng | China national standards | MT | 1125.86 | USD | 20250923 |
| Shandong Hongyang Chem | China national standards | MT | 1184.96 | USD | 20250923 |
| Shandong Hongyang Chem | China national standards | MT | 1090.67 | USD | 20250923 |
| Shandong Jinling Chem | China national standards | MT | 1238.44 | USD | 20250923 |
| Shandong Jinling Chem | China national standards | MT | 1027.34 | USD | 20250923 |