| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 379.94 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 394.01 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.87 | USD | 20250905 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 351.8 | USD | 20250905 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 337.78 | USD | 20250904 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 351.85 | USD | 20250904 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 351.85 | USD | 20250904 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 380.0 | USD | 20250904 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.93 | USD | 20250904 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.04 | USD | 20250904 |