| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.54 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1208.68 | USD | 20250928 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1236.79 | USD | 20250928 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1117.33 | USD | 20250928 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1166.52 | USD | 20250928 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250928 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1183.38 | USD | 20250928 |