| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 814.74 | USD | 20250826 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 814.74 | USD | 20250826 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 702.37 | USD | 20250826 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 702.37 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 849.86 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 849.86 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 884.98 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 800.7 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 800.7 | USD | 20250826 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 744.51 | USD | 20250826 |