| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 508.63 | USD | 20251127 |
| Shandong Jinwen Chem | Purified Water | MT | 508.63 | USD | 20251127 |
| Henan Baoxin Tech | China national standards | MT | 946.61 | USD | 20251127 |
| Henan Qingmai Tech | 800 VOCs | MT | 1059.38 | USD | 20251126 |
| Henan Qingmai Tech | China national standards | MT | 791.01 | USD | 20251126 |
| Henan Sendi EnvTech | China national standards | MT | 353.13 | USD | 20251126 |
| Henan Huiyihai | 300 VOCs | MT | 324.88 | USD | 20251126 |
| Henan Huiyihai | 300 VOCs | MT | 211.88 | USD | 20251126 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 635.63 | USD | 20251126 |
| Henan Huiyihai | China national standards | MT | 211.88 | USD | 20251126 |