| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Shunzhibang | China national standards | MT | 777.57 | USD | 20251204 |
| Henan Qingmai Tech | China national standards | MT | 791.71 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 508.96 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 353.44 | USD | 20251204 |
| Henan Kaijie Water | China national standards | MT | 1060.33 | USD | 20251204 |
| Hebei Junshen Tech | 900 VOCs | MT | 607.92 | USD | 20251204 |
| Henan Leavit Chem | 700 VOCs | MT | 537.23 | USD | 20251204 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 636.01 | USD | 20251203 |
| Henan Sendi EnvTech | China national standards | MT | 353.34 | USD | 20251203 |
| Henan Shunzhibang | China national standards | MT | 777.34 | USD | 20251203 |