| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 941.96 | USD | 20250920 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.58 | USD | 20250920 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.58 | USD | 20250920 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 702.96 | USD | 20250920 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 702.96 | USD | 20250920 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250920 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 702.96 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250920 |