| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 731.3 | USD | 20250922 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 731.3 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250921 |