| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 818.45 | USD | 20251111 |
| Xiamen Yudeshun Chem | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Yaoming Chem | China national standards | MT | 832.56 | USD | 20251111 |
| Shandong Mingyu | China national standards | MT | 889.0 | USD | 20251111 |
| Shandong Mingyu | China national standards | MT | 874.89 | USD | 20251111 |
| Jinan Aochen Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1143.0 | USD | 20251111 |
| Jinan Pulaihua Chem | China national standards | MT | 804.33 | USD | 20251111 |
| Jinan Aochen Chem | China national standards | MT | 1199.45 | USD | 20251111 |
| Shandong Qiangsen Chem | China national standards | MT | 818.45 | USD | 20251111 |