| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 702.72 | USD | 20250928 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 737.86 | USD | 20250928 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 730.83 | USD | 20250928 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 780.02 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 864.35 | USD | 20250928 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250928 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 744.88 | USD | 20250928 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 730.83 | USD | 20250928 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 688.67 | USD | 20250928 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 730.83 | USD | 20250928 |