| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.61 | USD | 20251104 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.66 | USD | 20251103 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.66 | USD | 20251103 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.63 | USD | 20251102 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.63 | USD | 20251102 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.63 | USD | 20251101 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.63 | USD | 20251101 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.63 | USD | 20251031 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.63 | USD | 20251031 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.67 | USD | 20251030 |