| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250924 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1013.27 | USD | 20250924 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250924 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1076.6 | USD | 20250924 |
| Befar Group Co., Ltd. | China national standards | MT | 1076.6 | USD | 20250924 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250924 |