| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 223.38 | USD | 20251204 |
| Shandong Haihua Group Co., Ltd. | China national standards | MT | 169.65 | USD | 20251204 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 169.65 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | Food Grade | MT | 155.51 | USD | 20251204 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 190.86 | USD | 20251204 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 212.07 | USD | 20251204 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 205.0 | USD | 20251204 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.79 | USD | 20251204 |
| Chang Zhou Qi Di Chemical Co., Ltd. | Food Grade | MT | 417.06 | USD | 20251204 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 212.0 | USD | 20251203 |