| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1005.84 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.97 | USD | 20250918 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |