| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 731.52 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 731.52 | USD | 20250918 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 731.52 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 865.16 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |