| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 352.08 | USD | 20251013 |
| Henan Sendi EnvTech | China national standards | MT | 352.08 | USD | 20251013 |
| Henan LanenChem | Pharmaceutical Grade | MT | 1915.3 | USD | 20251013 |
| Henan Huiyi | China national standards | MT | 211.25 | USD | 20251013 |
| Henan Shunzhibang | China national standards | MT | 774.57 | USD | 20251013 |
| Shandong Jinwen Chem | China national standards | MT | 506.99 | USD | 20251013 |
| Shandong Jinwen Chem | Purified Water | MT | 506.99 | USD | 20251013 |
| Henan Leavit Chem | 600 VOCs | MT | 352.08 | USD | 20251013 |
| Henan Leavit Chem | 400 VOCs | MT | 506.99 | USD | 20251013 |
| Henan Leavit Chem | 500 VOCs | MT | 506.99 | USD | 20251013 |