| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1012.81 | USD | 20250929 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1076.12 | USD | 20250929 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Befar Group Co., Ltd. | China national standards | MT | 1083.15 | USD | 20250929 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1055.02 | USD | 20250929 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 942.48 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1209.75 | USD | 20250929 |