| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1237.21 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1005.23 | USD | 20250919 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1005.23 | USD | 20250919 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.35 | USD | 20250919 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1152.85 | USD | 20250919 |