| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 843.79 | USD | 20250827 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 843.79 | USD | 20250827 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 843.79 | USD | 20250827 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 787.53 | USD | 20250827 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.66 | USD | 20250827 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 787.53 | USD | 20250827 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1139.11 | USD | 20250827 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1054.73 | USD | 20250827 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 984.42 | USD | 20250827 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 815.66 | USD | 20250827 |