| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 871.37 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 871.37 | USD | 20250926 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250926 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250926 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 885.43 | USD | 20250926 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 927.59 | USD | 20250926 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 927.59 | USD | 20250926 |