| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 193.95 | USD | 20250928 |
| Henan Sendi EnvTech | China national standards | MT | 200.98 | USD | 20250928 |
| Henan Sendi EnvTech | China national standards | MT | 200.98 | USD | 20250928 |
| Henan Sendi EnvTech | China national standards | MT | 200.98 | USD | 20250928 |
| Henan Sendi EnvTech | China national standards | MT | 193.95 | USD | 20250928 |
| Henan Sendi EnvTech | China national standards | MT | 196.76 | USD | 20250928 |
| Chizhou Xinyu Chem | China national standards | MT | 210.82 | USD | 20250928 |
| Sichuan Hebang Bio | China national standards | MT | 231.9 | USD | 20250928 |
| Jinan Jinrihe Chem | China national standards | MT | 168.65 | USD | 20250928 |
| Shandong Qiangsen Chem | China national standards | MT | 189.73 | USD | 20250928 |