| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1139.48 | USD | 20250918 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1027.78 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.56 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.56 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.48 | USD | 20250916 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1041.86 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1041.86 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 450.53 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.3 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.3 | USD | 20250915 |