| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 760.91 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.0 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 810.22 | USD | 20251016 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 810.22 | USD | 20251016 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.45 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.82 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 634.09 | USD | 20251016 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 690.45 | USD | 20251016 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 753.86 | USD | 20251016 |