| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1340.56 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 1171.22 | USD | 20251111 |
| Zibo Lishuo Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Hubei 789 Chem | China national standards | MT | 1298.22 | USD | 20251111 |
| Zibo Lishuo Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Sinopec | China national standards | MT | 973.67 | USD | 20251111 |
| Sinopec | China national standards | MT | 1213.56 | USD | 20251111 |
| Hubei 789 Chem | China national standards | MT | 1298.22 | USD | 20251111 |
| Zibo Lishuo Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Laya Chem | China national standards | MT | 973.67 | USD | 20251111 |