| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 1031.13 | USD | 20251126 |
| Jinan Aochen Chem | China national standards | MT | 1017.01 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 847.51 | USD | 20251126 |
| Qingdao Shengze Chem | Industrial Grade | MT | 847.51 | USD | 20251126 |
| Shandong Shuojia Chem | China national standards | MT | 826.32 | USD | 20251126 |
| Shandong Shuojia Chem | China national standards | MT | 826.32 | USD | 20251126 |
| Shandong Shuojia Chem | Industrial Grade | MT | 826.32 | USD | 20251126 |
| Shandong Shuojia Chem | Industrial Grade | MT | 826.32 | USD | 20251126 |
| Shandong Shuojia Chem | China national standards | MT | 826.32 | USD | 20251126 |
| Shandong Shuojia Chem | China national standards | MT | 826.32 | USD | 20251126 |