| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 941.96 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 787.79 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Ningbo Zhetie Jiangning Chemical Co., Ltd. | China national standards | MT | 787.79 | USD | 20250918 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |