| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 352.78 | USD | 20251111 |
| Henan Sendi EnvTech | China national standards | MT | 352.78 | USD | 20251111 |
| Henan Qingmai Tech | China national standards | MT | 790.22 | USD | 20251111 |
| Henan Qingmai Tech | 800 VOCs | MT | 1058.34 | USD | 20251111 |
| Hebei Junshen Tech | 700 VOCs | MT | 324.56 | USD | 20251111 |
| Hebei Junshen Tech | 600 VOCs | MT | 310.45 | USD | 20251111 |
| Hebei Junshen Tech | 900 VOCs | MT | 606.78 | USD | 20251111 |
| Hebei Junshen Tech | 800 VOCs | MT | 423.33 | USD | 20251111 |
| Shandong Jinwen Chem | China national standards | MT | 508.0 | USD | 20251111 |
| Shandong Jinwen Chem | Purified Water | MT | 508.0 | USD | 20251111 |