| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1121.69 | USD | 20250823 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 946.43 | USD | 20250823 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 939.41 | USD | 20250823 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 883.33 | USD | 20250823 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 925.39 | USD | 20250823 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 925.39 | USD | 20250823 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 911.37 | USD | 20250822 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 957.64 | USD | 20250822 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 939.41 | USD | 20250822 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 946.43 | USD | 20250822 |