| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaijie Water | China national standards | MT | 1059.41 | USD | 20251202 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.04 | USD | 20251202 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.66 | USD | 20251201 |
| Henan Kaijie Water | China national standards | MT | 1059.94 | USD | 20251201 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.13 | USD | 20251130 |
| Henan Kaijie Water | China national standards | MT | 1059.49 | USD | 20251130 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.13 | USD | 20251129 |
| Henan Kaijie Water | China national standards | MT | 1059.49 | USD | 20251129 |
| Henan Kaijie Water | 1000 VOCs | MT | 1243.13 | USD | 20251128 |
| Henan Kaijie Water | China national standards | MT | 1059.49 | USD | 20251128 |