| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 738.84 | USD | 20250925 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 703.66 | USD | 20250925 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 731.81 | USD | 20250925 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 788.1 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 865.5 | USD | 20250925 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 689.59 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.1 | USD | 20250925 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 830.32 | USD | 20250925 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.59 | USD | 20250925 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.81 | USD | 20250925 |