| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 702.96 | USD | 20250920 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 941.96 | USD | 20250920 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 941.96 | USD | 20250920 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 885.73 | USD | 20250919 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Xiangfen Longtengda Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.11 | USD | 20250919 |