| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 212.07 | USD | 20251204 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 212.07 | USD | 20251204 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 282.75 | USD | 20251204 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.75 | USD | 20251204 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.75 | USD | 20251204 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 212.07 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 180.96 | USD | 20251204 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.93 | USD | 20251204 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 183.79 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 205.0 | USD | 20251204 |