| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1082.19 | USD | 20250926 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 990.84 | USD | 20250926 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 794.07 | USD | 20250926 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 780.02 | USD | 20250926 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1025.97 | USD | 20250926 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |