| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 113.06 | USD | 20251201 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 113.06 | USD | 20251201 |
| Guangdong Huihao Industrial Trade Co., Ltd. | China national standards | MT | 162.52 | USD | 20251201 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 124.37 | USD | 20251201 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 141.26 | USD | 20251130 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 124.31 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 98.89 | USD | 20251130 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.76 | USD | 20251130 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.39 | USD | 20251130 |
| Guangdong Huihao Industrial Trade Co., Ltd. | China national standards | MT | 162.45 | USD | 20251130 |