| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.86 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 717.75 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.86 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.2 | USD | 20250930 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 717.75 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20250930 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 774.05 | USD | 20250930 |