| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Henan Qingmai Tech | 800 VOCs | MT | USD | 20251119 | |
| Henan Kaijie Water | 1000 VOCs | MT | USD | 20251119 | |
| Henan Baoxin Tech | China national standards | MT | USD | 20251119 | |
| Henan Kaijie Water | 1000 VOCs | MT | USD | 20251118 | |
| Shandong Jinwen Chem | China national standards | MT | USD | 20251118 | |
| Henan Baoxin Tech | China national standards | MT | USD | 20251118 | |
| Hebei Junshen Tech | 800 VOCs | MT | USD | 20251118 | |
| Henan Huiyi | China national standards | MT | USD | 20251118 | |
| Henan Sendi EnvTech | China national standards | MT | USD | 20251118 | |
| Henan Huiyihai | China national standards | MT | USD | 20251118 |
