| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 731.52 | USD | 20250918 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 731.52 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.88 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.88 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.35 | USD | 20250916 |