| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250815 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 925.19 | USD | 20250814 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.24 | USD | 20250814 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 953.22 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 925.19 | USD | 20250814 |