| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chem | Food Grade | MT | 332.11 | USD | 20251201 |
| Shandong Shuojia Chem | Food Grade | MT | 303.85 | USD | 20251201 |
| Wuhan Hengjiu Chem | China national standards | MT | 282.65 | USD | 20251201 |
| Shandong Kailong Chem | Industrial Grade | MT | 296.78 | USD | 20251201 |
| Suzhou Shangma Chem | Industrial Grade | MT | 353.31 | USD | 20251201 |
| Changzhou Gree | Industrial Grade | MT | 325.05 | USD | 20251201 |
| Shandong Kailong Chem | Industrial Grade | MT | 282.65 | USD | 20251201 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 240.25 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 226.12 | USD | 20251201 |
| Shandong Kailong Chem | Industrial Grade | MT | 254.28 | USD | 20251130 |