| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 197.75 | USD | 20251126 |
| Shandong Haihua | China national standards | MT | 169.5 | USD | 20251126 |
| Wuhan Hengjiu Chem | China national standards | MT | 233.06 | USD | 20251126 |
| Wuhan Hengjiu Chem | China national standards | MT | 206.23 | USD | 20251126 |
| Chizhou Xinyu Chem | China national standards | MT | 197.75 | USD | 20251126 |
| Henan Baiquan | China national standards | MT | 166.68 | USD | 20251126 |
| Henan Sendi EnvTech | China national standards | MT | 201.99 | USD | 20251126 |
| Henan Sendi EnvTech | China national standards | MT | 201.99 | USD | 20251126 |
| Henan Leavit Chem | China national standards | MT | 163.85 | USD | 20251126 |
| Zhangzhou Sanan Chem | China national standards | MT | 211.88 | USD | 20251126 |