| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Zhiheng | China national standards | MT | 1014.16 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 795.83 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 950.77 | USD | 20251015 |
| Nanjing Runsheng Petro | China national standards | MT | 1549.4 | USD | 20251015 |
| Nanjing Runsheng Petro | Industrial Grade | MT | 873.3 | USD | 20251015 |
| Shandong Daoqin Chem | China national standards | MT | 957.46 | USD | 20251014 |
| Jinan Dezheng Chem | Industrial Grade | MT | 816.66 | USD | 20251014 |
| Shandong Wells Chem | China national standards | MT | 816.66 | USD | 20251014 |
| Tongling Jintai Chem | China national standards | MT | 816.66 | USD | 20251014 |