| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 829.95 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.34 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 766.64 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.34 | USD | 20250929 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 766.64 | USD | 20250929 |