| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 351.87 | USD | 20251011 |
| Henan Huiyi | China national standards | MT | 211.12 | USD | 20251011 |
| Henan LanenChem | Pharmaceutical Grade | MT | 1914.2 | USD | 20251011 |
| Shandong Jinwen Chem | Purified Water | MT | 506.7 | USD | 20251011 |
| Shandong Jinwen Chem | China national standards | MT | 506.7 | USD | 20251011 |
| Henan Leavit Chem | 600 VOCs | MT | 351.87 | USD | 20251011 |
| Henan Leavit Chem | 400 VOCs | MT | 506.7 | USD | 20251011 |
| Henan Leavit Chem | 500 VOCs | MT | 506.7 | USD | 20251011 |
| Henan Leavit Chem | 700 VOCs | MT | 534.85 | USD | 20251011 |
| Henan Huiyihai | 300 VOCs | MT | 323.72 | USD | 20251010 |