| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaijie Water | China national standards | MT | 683.47 | USD | 20260105 |
| Henan Kaijie Water | China national standards | MT | 682.23 | USD | 20251226 |
| Henan Kaijie Water | 1000 VOCs | MT | 1244.94 | USD | 20251211 |
| Henan Kaijie Water | China national standards | MT | 1061.03 | USD | 20251211 |
| Henan Kaijie Water | China national standards | MT | 1060.03 | USD | 20251210 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.76 | USD | 20251210 |
| Henan Kaijie Water | China national standards | MT | 1059.73 | USD | 20251209 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.41 | USD | 20251209 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.57 | USD | 20251208 |
| Henan Kaijie Water | China national standards | MT | 1059.86 | USD | 20251208 |