| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 860.78 | USD | 20251111 |
| Shandong Qiangsen Chem | China national standards | MT | 747.89 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 846.67 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 846.79 | USD | 20251110 |
| Nanjing Runsheng Petro | China national standards | MT | 1552.44 | USD | 20251110 |
| Shandong Wells Chem | China national standards | MT | 860.9 | USD | 20251110 |
| Shandong Shuojia Chem | China national standards | MT | 846.79 | USD | 20251110 |
| Nanjing Runsheng Petro | Industrial Grade | MT | 875.01 | USD | 20251110 |
| Shandong Yushuo Chem | China national standards | MT | 860.9 | USD | 20251110 |
| Jinan Angxin Chem | China national standards | MT | 804.45 | USD | 20251110 |