| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 211.64 | USD | 20251122 |
| Henan Sendi EnvTech | China national standards | MT | 352.73 | USD | 20251122 |
| Henan Huiyihai | 300 VOCs | MT | 211.64 | USD | 20251122 |
| Henan Kaijie Water | China national standards | MT | 1058.2 | USD | 20251122 |
| Henan Shunzhibang | China national standards | MT | 776.01 | USD | 20251122 |
| Henan Sendi EnvTech | China national standards | MT | 352.73 | USD | 20251122 |
| Henan Leavit Chem | 500 VOCs | MT | 507.94 | USD | 20251121 |
| Henan Leavit Chem | 600 VOCs | MT | 352.73 | USD | 20251121 |
| Shandong Jinwen Chem | Purified Water | MT | 507.94 | USD | 20251121 |
| Henan Leavit Chem | 700 VOCs | MT | 536.16 | USD | 20251121 |