| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.22 | USD | 20250912 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.1 | USD | 20250912 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 337.94 | USD | 20250912 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.34 | USD | 20250912 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.07 | USD | 20250909 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 352.07 | USD | 20250909 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 380.24 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.16 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.28 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 394.32 | USD | 20250909 |