| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai | 300 VOCs | MT | 323.85 | USD | 20251014 |
| Henan Huiyihai | China national standards | MT | 211.21 | USD | 20251014 |
| Henan LanenChem | Pharmaceutical Grade | MT | 1914.93 | USD | 20251014 |
| Henan Sendi EnvTech | China national standards | MT | 352.01 | USD | 20251014 |
| Henan Sendi EnvTech | China national standards | MT | 352.01 | USD | 20251014 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 633.62 | USD | 20251014 |
| Shandong Jinwen Chem | China national standards | MT | 506.89 | USD | 20251014 |
| Shandong Jinwen Chem | Purified Water | MT | 506.89 | USD | 20251014 |
| Henan Baoxin Tech | China national standards | MT | 943.38 | USD | 20251014 |
| Henan Kaijie Water | China national standards | MT | 1056.03 | USD | 20251014 |