| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251011 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 689.67 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.75 | USD | 20251011 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 731.9 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 851.54 | USD | 20251011 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 753.01 | USD | 20251011 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 886.72 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.12 | USD | 20251011 |