| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1071.12 | USD | 20251022 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 768.1 | USD | 20251022 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 873.81 | USD | 20251022 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 873.81 | USD | 20251022 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 796.29 | USD | 20251022 |