| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Kailong Chem | Industrial Grade | MT | 281.47 | USD | 20250930 |
| Shanghai Guoke | Industrial Grade | MT | 306.8 | USD | 20250930 |
| Shanghai Guoke | Food Grade | MT | 323.69 | USD | 20250930 |
| Shandong Kailong Chem | Industrial Grade | MT | 225.18 | USD | 20250930 |
| Shandong Kailong Chem | Industrial Grade | MT | 225.18 | USD | 20250930 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 337.77 | USD | 20250930 |
| Shandong Fusheng | Industrial Grade | MT | 281.47 | USD | 20250930 |
| Zhangzhou Sanan Chem | China national standards | MT | 309.62 | USD | 20250930 |
| Jinan Kunfeng Chem | Food Grade | MT | 281.34 | USD | 20250929 |
| Shandong Qiangsen Chem | China national standards | MT | 189.9 | USD | 20250929 |