| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1058.93 | USD | 20251125 |
| Sinopec | China national standards | MT | 1154.94 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1256.6 | USD | 20251125 |
| Shandong Jinling Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Shandong Jinling Chem | China national standards | MT | 1129.53 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1115.41 | USD | 20251125 |
| Shandong Lifuda | China national standards | MT | 1129.53 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Xiamen Yudeshun Chem | China national standards | MT | 1553.1 | USD | 20251125 |