| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Longmao Chem | Industrial Grade | MT | 4374.58 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 4939.04 | USD | 20251030 |
| Weifang Sutong Chem | China national standards | MT | 4416.91 | USD | 20251030 |
| Shandong Zhiheng | China national standards | MT | 4939.04 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 4940.5 | USD | 20251029 |
| Weifang Yahua Chem | Industrial Grade | MT | 4658.19 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 4940.5 | USD | 20251029 |
| Shouguang ZixuChem | Industrial Grade | MT | 4234.72 | USD | 20251029 |
| Weifang Yaohe Chem | Industrial Grade | MT | 4305.29 | USD | 20251029 |
| Shouguang ZixuChem | Industrial Grade | MT | 4234.72 | USD | 20251029 |