| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.79 | USD | 20251125 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.72 | USD | 20251124 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.72 | USD | 20251124 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.64 | USD | 20251123 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.64 | USD | 20251123 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.64 | USD | 20251122 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.64 | USD | 20251122 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.64 | USD | 20251121 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.64 | USD | 20251121 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.55 | USD | 20251120 |