| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai | 300 VOCs | MT | 210.32 | USD | 20250822 |
| Henan Huiyi | China national standards | MT | 210.32 | USD | 20250822 |
| Shandong Jinwen Chem | Purified Water | MT | 504.76 | USD | 20250822 |
| Shandong Jinwen Chem | China national standards | MT | 504.76 | USD | 20250822 |
| Henan Huiyihai | 300 VOCs | MT | 210.42 | USD | 20250821 |
| Henan Huiyihai | 300 VOCs | MT | 322.64 | USD | 20250821 |
| Henan Huiyihai | China national standards | MT | 210.42 | USD | 20250821 |
| Henan Huiyi | China national standards | MT | 210.42 | USD | 20250821 |
| Shandong Jinwen Chem | Purified Water | MT | 505.0 | USD | 20250821 |
| Shandong Jinwen Chem | China national standards | MT | 505.0 | USD | 20250821 |