| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 812.51 | USD | 20250820 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 658.41 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 742.46 | USD | 20250820 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 896.56 | USD | 20250820 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 812.51 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 784.49 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 840.52 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 840.52 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 840.52 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 938.59 | USD | 20250820 |