| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1333.52 | USD | 20251113 |
| Sinopec | China national standards | MT | 868.24 | USD | 20251112 |
| Hubei 789 Chem | China national standards | MT | 1298.83 | USD | 20251112 |
| Shandong Yushuo Chem | China national standards | MT | 865.42 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Xiamen Yudeshun Chem | China national standards | MT | 1341.18 | USD | 20251112 |
| Shandong Xingpeng Chem | China national standards | MT | 883.77 | USD | 20251112 |
| Hubei 789 Chem | China national standards | MT | 1298.83 | USD | 20251112 |
| Xiamen Yudeshun Chem | China national standards | MT | 1341.18 | USD | 20251112 |
| Shandong Yushuo Chem | China national standards | MT | 889.42 | USD | 20251112 |