| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 363.65 | USD | 20250718 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 419.59 | USD | 20250718 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 419.59 | USD | 20250718 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 335.85 | USD | 20250717 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 419.81 | USD | 20250717 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 419.81 | USD | 20250717 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 405.82 | USD | 20250717 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 363.83 | USD | 20250717 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 349.84 | USD | 20250717 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 384.83 | USD | 20250717 |