| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250920 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Weifang Mingbo Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |
| Guangzhou Longyu Chemical Co., Ltd. | China national standards | MT | 1335.62 | USD | 20250919 |