| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 352.78 | USD | 20251106 |
| Henan Sendi EnvTech | China national standards | MT | 352.78 | USD | 20251106 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 634.69 | USD | 20251105 |
| Henan Sendi EnvTech | China national standards | MT | 352.6 | USD | 20251105 |
| Henan Sendi EnvTech | China national standards | MT | 352.6 | USD | 20251105 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 634.83 | USD | 20251104 |
| Henan Sendi EnvTech | China national standards | MT | 352.68 | USD | 20251104 |
| Henan Sendi EnvTech | China national standards | MT | 352.68 | USD | 20251104 |
| Henan Sendi EnvTech | China national standards | MT | 352.77 | USD | 20251103 |
| Henan Sendi EnvTech | 1000 VOCs | MT | 634.99 | USD | 20251103 |