| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1301.19 | USD | 20250929 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 928.41 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1195.68 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1195.68 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1005.78 | USD | 20250929 |