| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 332.0 | USD | 20250918 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 274.32 | USD | 20250918 |
| Hunan Yinqiao Food Additives Co., Ltd. | China national standards | MT | 274.32 | USD | 20250918 |
| Jinan Kunfeng Chemical Co., Ltd. | China national standards | MT | 274.32 | USD | 20250918 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.29 | USD | 20250918 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.32 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.91 | USD | 20250918 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 309.49 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.07 | USD | 20250916 |