| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1168.09 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 928.84 | USD | 20250915 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250914 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250913 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 929.33 | USD | 20250913 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1020.85 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 957.49 | USD | 20250913 |