| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Yinqiao Food Additives Co., Ltd. | China national standards | MT | 274.15 | USD | 20250919 |
| Jinan Kunfeng Chemical Co., Ltd. | China national standards | MT | 274.15 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 253.06 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.8 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.27 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.27 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.27 | USD | 20250919 |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.18 | USD | 20250919 |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | China national standards | MT | 407.72 | USD | 20250919 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 224.95 | USD | 20250919 |