| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 885.73 | USD | 20250919 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 717.02 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Ningbo Zhetie Jiangning Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |