| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 365.76 | USD | 20250918 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 323.56 | USD | 20250918 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 323.56 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 337.9 | USD | 20250916 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 351.98 | USD | 20250916 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 351.98 | USD | 20250916 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.3 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 394.22 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.18 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.98 | USD | 20250916 |