| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Kailong Chem | Industrial Grade | MT | 296.78 | USD | 20251201 |
| Shandong Yushuo Chem | Industrial Grade | MT | 310.91 | USD | 20251201 |
| Shandong Yushuo Chem | Food Grade | MT | 296.78 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 303.85 | USD | 20251201 |
| Shandong Kailong Chem | Industrial Grade | MT | 282.65 | USD | 20251201 |
| Shandong Shuojia Chem | Food Grade | MT | 303.85 | USD | 20251201 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 226.12 | USD | 20251201 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 240.25 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 303.85 | USD | 20251201 |
| Jinan Kunfeng Chem | Food Grade | MT | 268.52 | USD | 20251201 |