| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Mingyu | China national standards | MT | 1215.15 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Yuxuan Chem | China national standards | MT | 1257.54 | USD | 20251209 |
| Shandong Qiangsen Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Aite Chem | China national standards | MT | 1144.5 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1095.05 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1215.15 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1215.15 | USD | 20251209 |
| Shandong Jiaen Chem | China national standards | MT | 1182.65 | USD | 20251209 |