| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 753.57 | USD | 20251015 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 767.66 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 802.87 | USD | 20251015 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.7 | USD | 20251015 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 760.62 | USD | 20251015 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 732.45 | USD | 20251015 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 809.92 | USD | 20251015 |