| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 803.18 | USD | 20251016 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 753.86 | USD | 20251016 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 796.13 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 634.09 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.82 | USD | 20251016 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 690.45 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 852.17 | USD | 20251015 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 767.66 | USD | 20251015 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 760.62 | USD | 20251015 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |