| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 846.25 | USD | 20251105 |
| Shandong Langchem | Industrial Grade | MT | 909.72 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 937.93 | USD | 20251105 |
| Shanghai Ronghe Chem | China national standards | MT | 846.25 | USD | 20251105 |
| Shandong Shuojia Chem | China national standards | MT | 846.25 | USD | 20251105 |
| Shandong Jinshenrun Chem | China national standards | MT | 888.56 | USD | 20251105 |
| Shandong Wells Chem | China national standards | MT | 818.04 | USD | 20251105 |
| Shandong Qiangsen Chem | China national standards | MT | 747.52 | USD | 20251105 |
| Nanjing Runsheng Petro | China national standards | MT | 1551.46 | USD | 20251105 |
| Shandong Fusheng | China national standards | MT | 846.25 | USD | 20251105 |