| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 353.03 | USD | 20251117 |
| Henan Kaijie Water | 1000 VOCs | MT | 1242.66 | USD | 20251117 |
| Shandong Jinwen Chem | Purified Water | MT | 508.36 | USD | 20251117 |
| Henan Huiyi | China national standards | MT | 211.82 | USD | 20251117 |
| Hebei Junshen Tech | 800 VOCs | MT | 423.63 | USD | 20251117 |
| Henan Sendi EnvTech | China national standards | MT | 353.03 | USD | 20251117 |
| Henan Shunzhibang | China national standards | MT | 776.66 | USD | 20251117 |
| Henan Qingmai Tech | 800 VOCs | MT | 1059.08 | USD | 20251117 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 635.45 | USD | 20251117 |
| Henan Kaijie Water | China national standards | MT | 1059.08 | USD | 20251117 |