| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.66 | USD | 20250827 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 745.35 | USD | 20250827 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 864.88 | USD | 20250827 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.1 | USD | 20250827 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 843.79 | USD | 20250827 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.1 | USD | 20250827 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.66 | USD | 20250827 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 983.31 | USD | 20250826 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 786.65 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 814.74 | USD | 20250826 |