| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 928.84 | USD | 20250915 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 985.14 | 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 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1020.32 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |