| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1215.55 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 955.58 | USD | 20250825 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 969.63 | USD | 20250825 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1051.58 | USD | 20250824 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1016.53 | USD | 20250824 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 925.39 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.46 | USD | 20250823 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 925.39 | USD | 20250823 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1051.58 | USD | 20250823 |