| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 351.36 | USD | 20250928 |
| Shandong Jinwen Chem | China national standards | MT | 505.96 | USD | 20250928 |
| Shandong Jinwen Chem | Purified Water | MT | 505.96 | USD | 20250928 |
| Henan Kaijie Water | 1000 VOCs | MT | 1236.79 | USD | 20250928 |
| Henan Kaijie Water | China national standards | MT | 1054.08 | USD | 20250928 |
| Henan Shunzhibang | China national standards | MT | 772.99 | USD | 20250927 |
| Henan Huiyihai | China national standards | MT | 210.82 | USD | 20250927 |
| Henan Huiyihai | 300 VOCs | MT | 210.82 | USD | 20250927 |
| Henan Huiyihai | 300 VOCs | MT | 323.25 | USD | 20250927 |
| Henan Kaijie Water | China national standards | MT | 1054.08 | USD | 20250927 |