| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 843.16 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 913.42 | USD | 20250825 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 841.27 | USD | 20250824 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 799.2 | USD | 20250824 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.37 | USD | 20250823 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 799.2 | USD | 20250823 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.37 | USD | 20250823 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 792.19 | USD | 20250823 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 792.19 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 771.16 | USD | 20250823 |