| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chem | Food Grade | MT | 281.46 | USD | 20250925 |
| Shanghai Guoke | Industrial Grade | MT | 306.8 | USD | 20250925 |
| Shanghai Guoke | Food Grade | MT | 323.68 | USD | 20250925 |
| Chizhou Xinyu Chem | Industrial Grade | MT | 253.32 | USD | 20250925 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 337.76 | USD | 20250925 |
| Shandong Qiangsen Chem | China national standards | MT | 189.99 | USD | 20250925 |
| Shandong Kailong Chem | Industrial Grade | MT | 281.46 | USD | 20250925 |
| Jinan Kunfeng Chem | Food Grade | MT | 281.46 | USD | 20250924 |
| Shandong Qiangsen Chem | China national standards | MT | 189.99 | USD | 20250924 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 337.76 | USD | 20250924 |