| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 211.0 | USD | 20250902 |
| Shandong Jinwen Chem | Purified Water | MT | 506.41 | USD | 20250902 |
| Shandong Jinwen Chem | China national standards | MT | 506.41 | USD | 20250902 |
| Henan Huiyi | China national standards | MT | 211.05 | USD | 20250901 |
| Henan Huiyihai | China national standards | MT | 211.05 | USD | 20250901 |
| Henan Huiyihai | 300 VOCs | MT | 323.62 | USD | 20250901 |
| Henan Huiyihai | 300 VOCs | MT | 211.05 | USD | 20250901 |
| Shandong Jinwen Chem | Purified Water | MT | 506.53 | USD | 20250901 |
| Shandong Jinwen Chem | China national standards | MT | 506.53 | USD | 20250901 |
| Henan Huiyi | China national standards | MT | 211.18 | USD | 20250831 |