| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 917.11 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 797.18 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 952.38 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 1100.53 | USD | 20251121 |
| Shandong Zhiheng | China national standards | MT | 1015.87 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 945.33 | USD | 20251121 |
| Shandong Langchem | Industrial Grade | MT | 910.05 | USD | 20251121 |
| Shandong Wells Chem | China national standards | MT | 910.05 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 903.0 | USD | 20251121 |