| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 222.13 | USD | 20250919 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 210.89 | USD | 20250919 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 210.89 | USD | 20250919 |
| Shandong Haihua Group Co., Ltd. | China national standards | MT | 168.71 | USD | 20250919 |
| Shandong Haihua Group Co., Ltd. | China national standards | MT | 168.71 | USD | 20250919 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.18 | USD | 20250919 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.01 | USD | 20250918 |
| Henan Zhaoju Industrial Co., Ltd. | China national standards | MT | 112.54 | USD | 20250918 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.35 | USD | 20250918 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 182.88 | USD | 20250918 |