| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | 1000 VOCs | MT | 635.01 | USD | 20251106 |
| Henan Shunzhibang | China national standards | MT | 776.12 | USD | 20251106 |
| Henan LanenChem | Pharmaceutical Grade | MT | 1919.14 | USD | 20251106 |
| Henan Huiyihai | China national standards | MT | 211.67 | USD | 20251106 |
| Henan Huiyihai | 300 VOCs | MT | 324.56 | USD | 20251106 |
| Henan Huiyihai | 300 VOCs | MT | 211.67 | USD | 20251106 |
| Shandong Jinwen Chem | China national standards | MT | 508.01 | USD | 20251106 |
| Shandong Jinwen Chem | Purified Water | MT | 508.01 | USD | 20251106 |
| Henan Baoxin Tech | China national standards | MT | 945.46 | USD | 20251106 |
| Henan Leavit Chem | 500 VOCs | MT | 508.01 | USD | 20251106 |