| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 927.47 | USD | 20250825 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1016.53 | USD | 20250824 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1051.58 | USD | 20250824 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1051.58 | USD | 20250823 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 925.39 | USD | 20250823 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 953.44 | USD | 20250823 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 925.39 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250823 |