| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1124.35 | USD | 20250928 |
| Qingdao Chengxin Chem | China national standards | MT | 913.54 | USD | 20250928 |
| Nantong Zhonghe Chem | China national standards | MT | 1784.91 | USD | 20250928 |
| Shandong Xingpeng Chem | China national standards | MT | 1827.07 | USD | 20250928 |
| Qingdao Shengze Chem | China national standards | MT | 1461.66 | USD | 20250928 |
| Qingdao Shengze Chem | China national standards | MT | 1461.66 | USD | 20250928 |
| Shandong Mingyu | China national standards | MT | 1869.24 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1349.22 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1349.22 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1264.9 | USD | 20250928 |