| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 351.69 | USD | 20250918 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 407.96 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 351.69 | USD | 20250918 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 407.96 | USD | 20250918 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.03 | USD | 20250918 |
| China national standards | MT | 422.03 | USD | 20250918 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 393.89 | USD | 20250918 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.03 | USD | 20250918 |
| 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 |