| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chem | Food Grade | MT | 317.47 | USD | 20251119 |
| Shandong Kailong Chem | Industrial Grade | MT | 317.47 | USD | 20251119 |
| Shandong Fusheng | Industrial Grade | MT | 282.2 | USD | 20251119 |
| Shandong Yushuo Chem | Food Grade | MT | 296.31 | USD | 20251119 |
| Shandong Qiangsen Chem | China national standards | MT | 190.48 | USD | 20251119 |
| Suzhou Shangma Chem | China national standards | MT | 352.75 | USD | 20251119 |
| Shanghai Guoke | China national standards | MT | 309.01 | USD | 20251119 |
| Shanghai Guoke | China national standards | MT | 331.58 | USD | 20251119 |
| Jinan Kunfeng Chem | China national standards | MT | 268.09 | USD | 20251119 |
| Wuhan Hengjiu Chem | China national standards | MT | 282.2 | USD | 20251119 |