| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1144.41 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 1116.15 | USD | 20251127 |
| Shandong Mingyu | China national standards | MT | 1215.05 | USD | 20251127 |
| Shandong Jinling | China national standards | MT | 1073.76 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1215.05 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1200.92 | USD | 20251127 |
| Aite Zhejiang | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Zhiheng | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1179.73 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 1094.96 | USD | 20251127 |