| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 745.37 | USD | 20250922 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 731.3 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.3 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.3 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.3 | USD | 20250922 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |