| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.35 | USD | 20250827 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 885.98 | USD | 20250827 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.82 | USD | 20250827 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.82 | USD | 20250827 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 787.53 | USD | 20250827 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 786.65 | USD | 20250826 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 849.86 | USD | 20250826 |
| 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 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 814.74 | USD | 20250826 |