| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 725.82 | USD | 20251022 |
| Shandong Xingpeng Chem | China national standards | MT | 746.96 | USD | 20251022 |
| Shandong Hanyue Chem | China national standards | MT | 704.68 | USD | 20251022 |
| Shandong Hanyue Chem | China national standards | MT | 704.68 | USD | 20251022 |
| Nanjing Runsheng Petro | China national standards | MT | 761.06 | USD | 20251022 |
| Shandong Shuojia Chem | China national standards | MT | 732.87 | USD | 20251022 |
| Yankuang Guotai Chem | China national standards | MT | 732.87 | USD | 20251022 |
| Shandong Shuojia Chem | China national standards | MT | 732.87 | USD | 20251022 |
| Shandong Shuojia Chem | China national standards | MT | 732.87 | USD | 20251022 |
| Jinan Pulaihua Chem | China national standards | MT | 958.37 | USD | 20251022 |