| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 871.67 | USD | 20250920 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 808.4 | USD | 20250919 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 871.67 | USD | 20250919 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 759.19 | USD | 20250919 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 759.19 | USD | 20250919 |