| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chem | China national standards | MT | 959.48 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Langchem | Industrial Grade | MT | 910.09 | USD | 20251119 |
| Shandong Wells Chem | China national standards | MT | 888.93 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Jinwen Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 945.37 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Zhiheng | China national standards | MT | 1015.92 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 797.21 | USD | 20251119 |