| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 914.76 | USD | 20250923 |
| Shandong Yihe Chem | China national standards | MT | 1266.59 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 872.54 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 872.54 | USD | 20250923 |
| Shandong Qiangsen Chem | China national standards | MT | 886.61 | USD | 20250923 |
| Shandong Qiangsen Chem | China national standards | MT | 886.61 | USD | 20250923 |
| Shandong Daoqin Chem | China national standards | MT | 985.12 | USD | 20250923 |
| Shandong Fusheng | China national standards | MT | 886.61 | USD | 20250923 |
| Shandong Fusheng | China national standards | MT | 1097.71 | USD | 20250923 |
| Wuhan Hengjiu Chem | China national standards | MT | 886.61 | USD | 20250923 |