| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.93 | USD | 20250813 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.93 | USD | 20250813 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.86 | USD | 20250813 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 812.89 | USD | 20250813 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 784.86 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1051.16 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1135.25 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 981.08 | USD | 20250813 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 812.89 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1134.17 | USD | 20250812 |